/* ===================================
   Porto - Portfolio Custom CSS
   Modern, Minimalist, Premium Design
   =================================== */

/* CSS Variables */
:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --dark: #0F172A;
    --dark-lighter: #1E293B;
    --text: #334155;
    --text-light: #64748B;
    --text-lighter: #94A3B8;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    --gradient-light: linear-gradient(135deg, rgba(37,99,235,0.1) 0%, rgba(124,58,237,0.1) 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== Custom Buttons ===== */
.btn-primary-custom {
    background: var(--gradient);
    border: none;
    color: var(--white);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary-custom:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.4);
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-outline-custom {
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    background: transparent;
}

.btn-outline-custom:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.3);
}

/* ===== Navbar ===== */
.navbar-porto {
    background: transparent;
    padding: 20px 0;
    transition: var(--transition);
    z-index: 1050;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.navbar-porto.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.navbar-porto .navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--dark);
    transition: var(--transition);
}

.navbar-porto .navbar-brand i {
    color: var(--primary);
}

.navbar-porto .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: 8px 16px !important;
    margin: 0 2px;
    border-radius: 50px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.navbar-porto .nav-link:hover,
.navbar-porto .nav-link.active {
    color: var(--primary);
    background: rgba(37,99,235,0.08);
}

.navbar-toggler {
    border: 2px solid rgba(37,99,235,0.4) !important;
    padding: 6px 10px;
    border-radius: 10px;
    background: rgba(255,255,255,0.9) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(37,99,235,0.25) !important;
}

/* Warna garis hamburger — default (light mode) */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(37,99,235,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    background: var(--light-bg);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.hero-bg-shapes .shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: floatShape 8s ease-in-out infinite;
}

.hero-bg-shapes .shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124,58,237,0.06) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: floatShape 10s ease-in-out infinite reverse;
}

.hero-bg-shapes .shape-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation: floatShape 6s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 0;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-light);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(37,99,235,0.15);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-social {
    display: flex;
    gap: 12px;
}

.hero-social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--text);
    border: 1px solid var(--border);
    transition: var(--transition);
    font-size: 1.1rem;
    text-decoration: none;
}

.hero-social-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37,99,235,0.3);
}

.hero-image-col {
    position: relative;
    z-index: 2;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-frame {
    width: 380px;
    height: 380px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: morphShape 8s ease-in-out infinite;
}

@keyframes morphShape {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-placeholder {
    width: 380px;
    height: 380px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: rgba(255,255,255,0.3);
    animation: morphShape 8s ease-in-out infinite;
}

.hero-image-decoration {
    position: absolute;
    width: 380px;
    height: 380px;
    border: 2px dashed rgba(37,99,235,0.2);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 20px;
    left: calc(50% - 170px);
    animation: morphShape 8s ease-in-out infinite;
    animation-delay: -4s;
}

/* ===== Section Styles ===== */
.section-padding {
    padding: 100px 0;
}

.bg-light-custom {
    background-color: var(--light-bg);
}

.section-badge {
    display: inline-block;
    background: var(--gradient-light);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(37,99,235,0.15);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 480px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

/* ===== About Section ===== */
.about-image-wrapper {
    position: relative;
    display: inline-block;
}

.about-image {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-image-placeholder {
    width: 100%;
    max-width: 400px;
    height: 400px;
    border-radius: var(--radius-xl);
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary);
}

.about-image-dots {
    position: absolute;
    width: 100px;
    height: 100px;
    bottom: -20px;
    right: -20px;
    background-image: radial-gradient(var(--primary) 2px, transparent 2px);
    background-size: 12px 12px;
    opacity: 0.3;
    z-index: -1;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

/* ===== Skills Section ===== */
.skill-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37,99,235,0.2);
}

.skill-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.skill-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.skill-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0;
    font-size: 1rem;
}

.skill-percentage {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.95rem;
}

.skill-bar {
    height: 8px;
    background: var(--light-bg);
    border-radius: 50px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 50px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GitHub Section ===== */

/* --- Profile Card --- */
.gh-profile-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
    position: sticky;
    top: 90px;
}

html[data-theme="dark"] .gh-profile-card {
    background: #1E293B;
    border-color: rgba(255,255,255,0.07);
}

.gh-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(37,99,235,0.25);
    display: block;
    background: var(--light-bg);
}

.gh-profile-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gh-username {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--dark);
    margin: 0;
    letter-spacing: -0.3px;
}

html[data-theme="dark"] .gh-username { color: #F1F5F9; }

.gh-login {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0 0 8px;
}

.gh-bio {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.55;
    margin-bottom: 10px;
}

.gh-follow-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    border: 1.5px solid var(--border);
    color: var(--dark);
    background: var(--white);
    transition: var(--transition);
    margin-bottom: 14px;
    width: fit-content;
}

html[data-theme="dark"] .gh-follow-btn {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
    color: #F1F5F9;
}

.gh-follow-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.gh-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gh-meta-item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.gh-meta-item i { color: var(--primary); font-size: 0.85rem; flex-shrink: 0; }

/* --- Repo Grid --- */
.gh-repos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

@media (max-width: 991px) {
    .gh-repos-grid { grid-template-columns: repeat(2, 1fr); }
    .gh-profile-card { position: static; }
}

@media (max-width: 575px) {
    .gh-repos-grid { grid-template-columns: 1fr; }
}

.gh-repo-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.gh-repo-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #7C3AED);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.gh-repo-card:hover::before { transform: scaleX(1); }

html[data-theme="dark"] .gh-repo-card {
    background: #1E293B;
    border-color: rgba(255,255,255,0.08);
}

.gh-repo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.gh-repo-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

html[data-theme="dark"] .gh-repo-name { color: #E2E8F0; }

.gh-repo-desc {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.gh-repo-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.gh-repo-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.gh-repo-stat i { font-size: 0.78rem; }

.gh-repo-lang {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-left: auto;
}

.lang-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #94A3B8;
    flex-shrink: 0;
}

/* Loading state */
.gh-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px 20px;
    color: var(--text-light);
    font-size: 0.875rem;
}

.gh-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: ghSpin 0.7s linear infinite;
    flex-shrink: 0;
}

@keyframes ghSpin { to { transform: rotate(360deg); } }

/* ===== Portfolio Section ===== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.filter-btn {
    padding: 9px 26px;
    border: 1.5px solid var(--border);
    background: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.25s;
    border-radius: 50px;
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before { opacity: 1; }

.filter-btn:hover,
.filter-btn.active {
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}

.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

html[data-theme="dark"] .portfolio-card {
    background: #1E293B;
    border-color: rgba(255,255,255,0.07);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37,99,235,0.15);
    border-color: rgba(37,99,235,0.25);
}

.portfolio-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    flex-shrink: 0;
}

.portfolio-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-card-image img {
    transform: scale(1.08);
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(124,58,237,0.08) 100%);
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.7;
}

/* Category badge on image */
.portfolio-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(37,99,235,0.9);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border-radius: 50px;
    backdrop-filter: blur(6px);
    z-index: 3;
}

.portfolio-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(15,23,42,0.95) 0%, rgba(15,23,42,0.4) 60%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 24px;
}

.portfolio-card:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay-content {
    width: 100%;
    transform: translateY(12px);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-overlay-content { transform: translateY(0); }

.portfolio-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: #0F172A !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.portfolio-view-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.04);
}

.portfolio-card-body {
    padding: 20px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.portfolio-title {
    font-weight: 700;
    color: var(--dark);
    font-size: 1rem;
    margin: 0;
    line-height: 1.4;
}

html[data-theme="dark"] .portfolio-title { color: #F1F5F9; }

.portfolio-desc {
    font-size: 0.84rem;
    color: var(--text-light);
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hidden items for load more */
.portfolio-hidden {
    display: none !important;
}

/* Load More Button */
.btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 13px 36px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(37,99,235,0.12);
}

html[data-theme="dark"] .btn-load-more {
    background: #1E293B;
}

.btn-load-more:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.3);
}

.load-more-count {
    font-size: 0.8rem;
    opacity: 0.7;
    font-weight: 500;
}

/* ===== Experience Timeline ===== */

/* Keep old timeline classes for backward compat (hidden) */
.timeline, .timeline-item, .timeline-dot, .timeline-card,
.timeline-period, .timeline-title, .timeline-company, .timeline-description { display: none; }

/* New vertical timeline */
.exp-timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 0 20px;
}

.exp-line {
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent, var(--primary) 10%, var(--primary) 90%, transparent);
    opacity: 0.25;
    z-index: 0;
}

.exp-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    width: 50%;
}

.exp-left {
    flex-direction: row-reverse;
    padding-right: 52px;
    align-self: flex-start;
}

.exp-right {
    padding-left: 52px;
    margin-left: 50%;
}

/* Horizontal connector line */
.exp-connector {
    position: absolute;
    top: 24px;
    width: 36px;
    height: 2px;
    background: var(--primary);
    opacity: 0.4;
    z-index: 1;
}

.exp-left .exp-connector {
    right: 16px;
}

.exp-right .exp-connector {
    left: 16px;
}

/* Number node on center line */
.exp-node {
    position: absolute;
    top: 12px;
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2), 0 4px 12px rgba(37,99,235,0.25);
    z-index: 2;
    flex-shrink: 0;
}

html[data-theme="dark"] .exp-node {
    border-color: #0F172A;
}

.exp-left .exp-node {
    right: -20px;
}

.exp-right .exp-node {
    left: -20px;
}

.exp-node-num {
    font-size: 0.7rem;
    font-weight: 800;
    color: white;
    letter-spacing: 0;
}

/* Experience Card */
.exp-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px 26px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    flex: 1;
    position: relative;
    overflow: hidden;
}

.exp-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--gradient);
    border-radius: 4px 0 0 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.exp-card:hover::before { opacity: 1; }

html[data-theme="dark"] .exp-card {
    background: #1E293B;
    border-color: rgba(255,255,255,0.07);
}

.exp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(37,99,235,0.2);
}

.exp-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.exp-period {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(37,99,235,0.08);
    color: var(--primary);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

html[data-theme="dark"] .exp-period {
    background: rgba(37,99,235,0.18);
}

.exp-icon-wrap {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(37,99,235,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.exp-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--dark);
    margin: 0 0 8px;
    letter-spacing: -0.3px;
}

html[data-theme="dark"] .exp-title { color: #F1F5F9; }

.exp-company {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 12px;
}

.exp-desc {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* Responsive */
@media (max-width: 767px) {
    .exp-timeline { padding-left: 20px; }
    .exp-line { left: 20px; }
    .exp-item, .exp-left, .exp-right {
        width: 100%;
        margin-left: 0;
        padding-left: 52px;
        padding-right: 0;
        flex-direction: row;
    }
    .exp-left .exp-node, .exp-right .exp-node { left: 0; right: auto; }
    .exp-left .exp-connector, .exp-right .exp-connector { left: 40px; right: auto; width: 12px; }
}

/* ===== Contact Section ===== */
.contact-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37,99,235,0.2);
}

.contact-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
    color: var(--primary);
}

.contact-card h5 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 40px 0;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
}

.footer-brand i {
    color: var(--primary);
}

.footer-social {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-text {
    margin: 0;
    font-size: 0.9rem;
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.8rem;
    color: var(--white);
}

.login-header h2 {
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
}

.login-header p {
    color: var(--text-light);
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.login-footer a:hover {
    color: var(--primary);
}

/* ===== Admin Layout ===== */
.admin-body {
    background: var(--light-bg);
}

.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--dark);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand {
    color: var(--white);
    font-weight: 800;
    font-size: 1.2rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand i {
    color: var(--primary-light);
    font-size: 1.4rem;
}

.sidebar-brand:hover {
    color: var(--white);
}

.sidebar-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    cursor: pointer;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.sidebar-nav .nav-link {
    color: rgba(255,255,255,0.6);
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: var(--white);
}

.sidebar-nav .nav-link.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-divider {
    padding: 16px 16px 8px;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-sidebar-logout {
    width: 100%;
    color: rgba(255,255,255,0.6);
    padding: 10px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    background: none;
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.btn-sidebar-logout:hover {
    background: rgba(239,68,68,0.15);
    color: #EF4444;
    border-color: rgba(239,68,68,0.3);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
}

.sidebar-overlay.show {
    display: block;
}

.admin-main {
    margin-left: 260px;
    min-height: 100vh;
    transition: var(--transition);
}

.admin-topbar {
    background: var(--white);
    padding: 16px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.sidebar-toggle {
    font-size: 1.3rem;
    color: var(--text);
    padding: 4px;
}

.topbar-title h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.topbar-right {
    margin-left: auto;
}

.topbar-user {
    color: var(--text);
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-content {
    padding: 28px;
}

/* ===== Admin Components ===== */
.admin-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.admin-card-header h5 {
    margin: 0;
    font-weight: 700;
    color: var(--dark);
}

.admin-card-body {
    padding: 24px;
}

.admin-table {
    font-size: 0.9rem;
}

.admin-table th {
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    padding: 14px 16px;
}

.admin-table td {
    padding: 14px 16px;
    vertical-align: middle;
}

.table-thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
}

.table-thumbnail-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
}

.empty-state {
    padding: 60px 20px;
    text-align: center;
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-lighter);
    margin-bottom: 16px;
    display: block;
}

.empty-state h5 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.admin-tabs .nav-link {
    font-weight: 500;
    color: var(--text);
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 20px;
    border-radius: 0;
}

.admin-tabs .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: none;
}

/* ===== Stat Cards ===== */
.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.stat-card-body {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.stat-info h3 {
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--dark);
    margin: 0;
    line-height: 1;
}

.stat-info p {
    color: var(--text-light);
    margin: 4px 0 0;
    font-size: 0.85rem;
}

.stat-card-footer {
    display: block;
    padding: 10px 24px;
    background: var(--light-bg);
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.stat-card-footer:hover {
    background: rgba(37,99,235,0.05);
    color: var(--primary);
}

/* ===== Quick Guide ===== */
.guide-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.guide-item:last-child {
    border-bottom: none;
}

.guide-step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.guide-item h6 {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.guide-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* ===== Form Enhancements ===== */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.form-label {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

/* ===== Scroll Reveal Animation ===== */
[data-aos] {
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos="fade-up"] {
    transform: translateY(40px);
}

[data-aos="fade-right"] {
    transform: translateX(-40px);
}

[data-aos="fade-left"] {
    transform: translateX(40px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    html {
        scroll-padding-top: 70px;
    }

    .navbar-collapse {
        background: var(--white);
        padding: 16px;
        border-radius: 16px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        margin-top: 10px;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    html[data-theme="dark"] .navbar-collapse {
        background: #1E293B;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    .hero-section {
        padding-top: 80px;
    }

    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.show {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-image-frame,
    .hero-image-placeholder {
        width: 280px;
        height: 280px;
    }

    .hero-image-decoration {
        width: 280px;
        height: 280px;
        left: calc(50% - 120px);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        text-align: left !important;
    }

    .timeline-dot {
        left: 12px !important;
        right: auto !important;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    /* Foto: pindah ke atas teks, margin bawah kecil saja */
    .hero-image-col {
        order: -1;
        margin-bottom: 24px !important;
        padding-top: 0 !important;
    }

    /* Ukuran foto lebih kecil di mobile agar muat satu layar */
    .hero-image-frame,
    .hero-image-placeholder {
        width: 240px;
        height: 240px;
    }

    .hero-image-wrapper {
        padding-top: 0;
    }

    .hero-image-decoration {
        display: none;
    }

    /* Konten teks: tambahkan padding horizontal agar tidak menempel tepi */
    .hero-content {
        padding-left: 20px !important;
        padding-right: 20px !important;
        text-align: center;
    }

    /* Tombol & badge: center alignment */
    .hero-badge {
        display: inline-block;
    }

    .hero-buttons {
        align-items: center;
    }

    .hero-social {
        justify-content: center;
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .section-padding {
        padding: 80px 0 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .admin-content {
        padding: 16px;
    }

    .footer-brand,
    .footer-text {
        text-align: center;
        margin-bottom: 12px;
    }

    .login-card {
        padding: 32px 24px;
    }
}

@media (max-width: 575.98px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .btn-primary-custom,
    .btn-outline-custom {
        padding: 10px 22px;
        font-size: 0.9rem;
    }
}

/* ======================================
   DARK / LIGHT MODE TOGGLE BUTTON
   ====================================== */
/* ====== Theme Toggle Button ====== */

/* Hide label & inner wrapper on desktop — just the icon circle */
.theme-toggle-label { display: none; }

.theme-toggle-inner {
    position: relative;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.theme-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: var(--transition);
    position: relative;
    overflow: visible;
    cursor: pointer;
}

.theme-toggle-btn:hover {
    border-color: var(--primary);
    background: rgba(37,99,235,0.08);
    transform: rotate(15deg);
}

.theme-toggle-btn .theme-icon-dark,
.theme-toggle-btn .theme-icon-light {
    position: absolute;
    font-size: 1.15rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode: show moon icon (to switch to dark) */
.theme-icon-dark {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: var(--text);
}

.theme-icon-light {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
    color: #FCD34D;
}

/* Dark mode: show sun icon (to switch to light) */
html[data-theme="dark"] .theme-icon-dark {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

html[data-theme="dark"] .theme-icon-light {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ====== Mobile: expand toggle to full-width row ====== */
@media (max-width: 991.98px) {
    .theme-toggle-li {
        border-top: 1px solid var(--border);
        margin-top: 8px;
        padding-top: 8px;
    }

    .theme-toggle-btn {
        width: 100%;
        height: auto;
        border-radius: 12px;
        padding: 10px 16px;
        gap: 12px;
        justify-content: flex-start;
        text-align: left;
        overflow: hidden;
        transform: none !important;
    }

    .theme-toggle-btn:hover {
        transform: none !important;
        background: rgba(37,99,235,0.08);
        border-color: var(--primary);
    }

    .theme-toggle-inner {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: rgba(37,99,235,0.08);
        flex-shrink: 0;
    }

    .theme-toggle-btn .theme-icon-dark,
    .theme-toggle-btn .theme-icon-light {
        font-size: 1rem;
    }

    .theme-toggle-label {
        display: flex;
        flex-direction: column;
        line-height: 1.3;
    }

    .label-dark, .label-light {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--dark);
        transition: opacity 0.3s, transform 0.3s;
    }

    /* Light mode: show "Dark Mode" (click to go dark) */
    .label-dark  { opacity: 1; }
    .label-light { opacity: 0; position: absolute; pointer-events: none; }

    /* Dark mode: show "Light Mode" (click to go light) */
    html[data-theme="dark"] .label-dark  { opacity: 0; position: absolute; pointer-events: none; }
    html[data-theme="dark"] .label-light { opacity: 1; position: static; color: #FCD34D; }
    html[data-theme="dark"] .theme-toggle-inner { background: rgba(252,211,77,0.12); }
}

/* ====== GitHub section: center profile card on mobile ====== */
@media (max-width: 767.98px) {
    #github .gh-profile-card {
        text-align: center;
        align-items: center;
    }

    #github .gh-profile-card .gh-avatar {
        margin: 0 auto;
    }

    #github .gh-profile-card .gh-profile-info {
        align-items: center;
    }

    #github .gh-profile-card .gh-meta {
        justify-content: center;
    }

    #github .gh-profile-card .gh-follow-btn {
        margin-left: auto;
        margin-right: auto;
    }
}

/* ======================================
   DARK MODE OVERRIDES
   ====================================== */
html[data-theme="dark"] {
    --dark: #F1F5F9;
    --dark-lighter: #E2E8F0;
    --text: #CBD5E1;
    --text-light: #94A3B8;
    --text-lighter: #64748B;
    --light-bg: #0F172A;
    --white: #1E293B;
    --border: #334155;
    --gradient-light: linear-gradient(135deg, rgba(37,99,235,0.15) 0%, rgba(124,58,237,0.15) 100%);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3), 0 4px 6px -4px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.3), 0 8px 10px -6px rgba(0,0,0,0.3);
}

/* Body background */
html[data-theme="dark"] body {
    background-color: #0F172A;
    color: #CBD5E1;
}

/* ===== Dark Navbar ===== */
html[data-theme="dark"] .navbar-porto {
    background: transparent;
}

html[data-theme="dark"] .navbar-porto.scrolled {
    background: rgba(15,23,42,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.3);
}

html[data-theme="dark"] .navbar-porto .navbar-brand {
    color: #F1F5F9;
}

html[data-theme="dark"] .navbar-porto .nav-link {
    color: #CBD5E1;
}

html[data-theme="dark"] .navbar-porto .nav-link:hover,
html[data-theme="dark"] .navbar-porto .nav-link.active {
    color: var(--primary-light);
    background: rgba(37,99,235,0.15);
}

html[data-theme="dark"] .navbar-toggler {
    border-color: rgba(99,179,237,0.5) !important;
    background: rgba(30,41,59,0.95) !important;
}

html[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(99,179,237,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== Dark Toggle Button ===== */
html[data-theme="dark"] .theme-toggle-btn {
    background: #334155;
    border-color: #475569;
}

html[data-theme="dark"] .theme-toggle-btn:hover {
    background: rgba(37,99,235,0.2);
    border-color: var(--primary);
}

/* ===== Dark Hero ===== */
html[data-theme="dark"] .hero-section {
    background: #0F172A;
}

html[data-theme="dark"] .hero-bg-shapes .shape-1 {
    background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
}

html[data-theme="dark"] .hero-bg-shapes .shape-2 {
    background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
}

html[data-theme="dark"] .hero-bg-shapes .shape-3 {
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
}

html[data-theme="dark"] .hero-subtitle {
    color: #E2E8F0;
}

html[data-theme="dark"] .hero-badge {
    background: rgba(37,99,235,0.15);
    border-color: rgba(37,99,235,0.25);
}

html[data-theme="dark"] .hero-social-link {
    background: #1E293B;
    color: #CBD5E1;
    border-color: #334155;
}

html[data-theme="dark"] .hero-social-link:hover {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

html[data-theme="dark"] .hero-image-frame {
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .hero-image-decoration {
    border-color: rgba(37,99,235,0.3);
}

html[data-theme="dark"] .hero-image-placeholder {
    color: rgba(255,255,255,0.15);
}

/* ===== Dark About ===== */
html[data-theme="dark"] .about-image {
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .about-image-placeholder {
    background: rgba(37,99,235,0.15);
}

/* ===== Dark Section Badge ===== */
html[data-theme="dark"] .section-badge {
    background: rgba(37,99,235,0.15);
    border-color: rgba(37,99,235,0.25);
}

/* ===== Dark Skill Cards ===== */
html[data-theme="dark"] .skill-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .skill-card:hover {
    border-color: rgba(37,99,235,0.4);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

html[data-theme="dark"] .skill-bar {
    background: #334155;
}

/* ===== Dark GitHub Cards ===== */
html[data-theme="dark"] .github-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .github-card:hover {
    border-color: var(--primary);
}

html[data-theme="dark"] .github-title a {
    color: #F1F5F9;
}

html[data-theme="dark"] .github-title a:hover {
    color: var(--primary-light);
}

html[data-theme="dark"] .github-desc {
    color: #94A3B8;
}

html[data-theme="dark"] .github-meta {
    border-color: #334155;
}

/* ===== Dark GitHub Cards ===== */
html[data-theme="dark"] .github-card {
    background: #1E293B;
    border-color: #334155;
    color: #F8FAFC;
}

html[data-theme="dark"] .github-card:hover {
    border-color: #60A5FA;
}

html[data-theme="dark"] .github-title {
    color: #F8FAFC;
}

html[data-theme="dark"] .github-owner-name,
html[data-theme="dark"] .github-desc {
    color: #94A3B8;
}

html[data-theme="dark"] .github-meta {
    color: #CBD5E1;
}

/* ===== Dark Portfolio Cards ===== */
html[data-theme="dark"] .portfolio-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .portfolio-card:hover {
    box-shadow: 0 20px 30px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .portfolio-placeholder {
    background: rgba(37,99,235,0.15);
}

html[data-theme="dark"] .filter-btn {
    background: #1E293B;
    border-color: #334155;
    color: #CBD5E1;
}

html[data-theme="dark"] .filter-btn:hover,
html[data-theme="dark"] .filter-btn.active {
    background: transparent;
    color: #FFFFFF;
    border-color: transparent;
}

/* ===== Dark Timeline ===== */
html[data-theme="dark"] .timeline-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .timeline-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

html[data-theme="dark"] .timeline-dot {
    border-color: #0F172A;
}

html[data-theme="dark"] .timeline-period {
    background: rgba(37,99,235,0.15);
}

/* ===== Dark Contact Cards ===== */
html[data-theme="dark"] .contact-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .contact-card:hover {
    border-color: rgba(37,99,235,0.4);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

html[data-theme="dark"] .contact-icon {
    background: rgba(37,99,235,0.15);
}

/* ===== Dark Footer ===== */
html[data-theme="dark"] .site-footer {
    background: #020617;
}

/* ===== Dark Login Page ===== */
html[data-theme="dark"] .login-page {
    background: #0F172A;
}

html[data-theme="dark"] .login-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .login-header h2 {
    color: #F1F5F9;
}

html[data-theme="dark"] .form-control {
    background: #0F172A;
    border-color: #334155;
    color: #E2E8F0;
}

html[data-theme="dark"] .form-control:focus {
    background: #0F172A;
    border-color: var(--primary);
    color: #E2E8F0;
}

html[data-theme="dark"] .form-control::placeholder {
    color: #64748B;
}

html[data-theme="dark"] .form-floating > .form-control::placeholder {
    color: transparent;
}

html[data-theme="dark"] .form-floating > .form-control:focus::placeholder,
html[data-theme="dark"] .form-floating > .form-control:not(:placeholder-shown)::placeholder {
    color: transparent;
}

html[data-theme="dark"] .form-floating > label {
    color: #94A3B8;
}

html[data-theme="dark"] .form-check-label {
    color: #CBD5E1;
}

/* ===== Smooth theme transition ===== */
html[data-theme],
html[data-theme] body,
html[data-theme] .navbar-porto {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ===== Dark Contact Section ===== */
html[data-theme="dark"] .contact-item,
html[data-theme="dark"] .contact-form-card {
    background: #1E293B !important;
    border-color: rgba(255,255,255,0.05) !important;
}

html[data-theme="dark"] .contact-item .text-dark,
html[data-theme="dark"] .contact-info-wrapper h3,
html[data-theme="dark"] .contact-info-wrapper h6 {
    color: #F8FAFC !important;
}

html[data-theme="dark"] .custom-input {
    background: rgba(15, 23, 42, 0.6) !important;
    color: white !important;
}

html[data-theme="dark"] .custom-input:focus {
    background: #0F172A !important;
    box-shadow: 0 0 0 4px rgba(37,99,235,0.1) !important;
}

html[data-theme="dark"] .contact-social-btn {
    background: #1E293B !important;
    border-color: rgba(255,255,255,0.1) !important;
    color: #F8FAFC !important;
}

html[data-theme="dark"] .contact-social-btn:hover {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
}

html[data-theme="dark"] .contact-form-card label {
    color: #CBD5E1 !important;
}

html[data-theme] .hero-section,
html[data-theme] .skill-card,
html[data-theme] .portfolio-card,
html[data-theme] .timeline-card,
html[data-theme] .contact-card,
html[data-theme] .site-footer,
html[data-theme] .form-control,
html[data-theme] .theme-toggle-btn,
html[data-theme] .filter-btn,
html[data-theme] .hero-social-link,
html[data-theme] .admin-sidebar,
html[data-theme] .admin-topbar,
html[data-theme] .admin-card,
html[data-theme] .stat-card {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ======================================
   DARK MODE — ADMIN PANEL
   ====================================== */

/* Admin Body */
html[data-theme="dark"] .admin-body {
    background: #0F172A;
}

/* Sidebar — slightly darker than content */
html[data-theme="dark"] .admin-sidebar {
    background: #020617;
    border-right: 1px solid #1E293B;
}

html[data-theme="dark"] .sidebar-header {
    border-bottom-color: #1E293B;
}

html[data-theme="dark"] .sidebar-footer {
    border-top-color: #1E293B;
}

/* Topbar */
html[data-theme="dark"] .admin-topbar {
    background: #1E293B;
    border-bottom-color: #334155;
}

html[data-theme="dark"] .topbar-title h1 {
    color: #F1F5F9;
}

html[data-theme="dark"] .sidebar-toggle {
    color: #CBD5E1;
}

html[data-theme="dark"] .topbar-user {
    color: #CBD5E1;
}

html[data-theme="dark"] .topbar-user:hover {
    color: #F1F5F9;
}

/* Admin Cards */
html[data-theme="dark"] .admin-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .admin-card-header {
    border-bottom-color: #334155;
}

html[data-theme="dark"] .admin-card-header h5 {
    color: #F1F5F9;
}

/* Stat Cards */
html[data-theme="dark"] .stat-card {
    background: #1E293B;
    border-color: #334155;
}

html[data-theme="dark"] .stat-info h3 {
    color: #F1F5F9;
}

html[data-theme="dark"] .stat-info p {
    color: #94A3B8;
}

html[data-theme="dark"] .stat-card-footer {
    background: #0F172A;
    border-top-color: #334155;
    color: #94A3B8;
}

html[data-theme="dark"] .stat-card-footer:hover {
    background: rgba(37,99,235,0.1);
    color: var(--primary-light);
}

/* Admin Tables */
html[data-theme="dark"] .admin-table th {
    color: #94A3B8;
    border-bottom-color: #334155;
}

html[data-theme="dark"] .admin-table td {
    border-bottom-color: #1E293B;
    color: #CBD5E1;
}

html[data-theme="dark"] .table-hover tbody tr:hover {
    background: rgba(37,99,235,0.08) !important;
    --bs-table-hover-bg: transparent;
}

html[data-theme="dark"] .table-thumbnail-placeholder {
    background: #334155;
    color: #64748B;
}

/* Empty State */
html[data-theme="dark"] .empty-state h5 {
    color: #F1F5F9;
}

html[data-theme="dark"] .empty-state i {
    color: #475569;
}

/* Admin Tabs */
html[data-theme="dark"] .admin-tabs .nav-link {
    color: #94A3B8;
}

html[data-theme="dark"] .admin-tabs .nav-link.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

/* Guide Items */
html[data-theme="dark"] .guide-item {
    border-bottom-color: #334155;
}

html[data-theme="dark"] .guide-item h6 {
    color: #F1F5F9;
}

html[data-theme="dark"] .guide-item p {
    color: #94A3B8;
}

/* Forms */
html[data-theme="dark"] .form-label {
    color: #E2E8F0;
}

html[data-theme="dark"] .form-select {
    background-color: #0F172A;
    border-color: #334155;
    color: #E2E8F0;
}

html[data-theme="dark"] .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}

html[data-theme="dark"] .form-range::-webkit-slider-runnable-track {
    background: #334155;
}

html[data-theme="dark"] .form-check-input {
    background-color: #334155;
    border-color: #475569;
}

html[data-theme="dark"] .form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

html[data-theme="dark"] .form-check-label {
    color: #CBD5E1;
}

/* Buttons */
html[data-theme="dark"] .btn-outline-primary {
    color: var(--primary-light);
    border-color: var(--primary-light);
}

html[data-theme="dark"] .btn-outline-secondary {
    color: #94A3B8;
    border-color: #475569;
}

html[data-theme="dark"] .btn-outline-secondary:hover {
    background: #334155;
    color: #F1F5F9;
    border-color: #475569;
}

html[data-theme="dark"] .btn-outline-danger {
    color: #F87171;
    border-color: #F87171;
}

/* Alerts */
html[data-theme="dark"] .alert-success {
    background: rgba(16,185,129,0.15);
    border-color: rgba(16,185,129,0.25);
    color: #6EE7B7;
}

html[data-theme="dark"] .alert-danger {
    background: rgba(239,68,68,0.15);
    border-color: rgba(239,68,68,0.25);
    color: #FCA5A5;
}

html[data-theme="dark"] .btn-close {
    filter: invert(1) brightness(2);
}

/* Dropdowns */
html[data-theme="dark"] .dropdown-menu {
    background: #1E293B;
    border-color: #334155;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .dropdown-item {
    color: #CBD5E1;
}

html[data-theme="dark"] .dropdown-item:hover {
    background: rgba(37,99,235,0.12);
    color: #F1F5F9;
}

html[data-theme="dark"] .dropdown-divider {
    border-top-color: #334155;
}

/* Badges */
html[data-theme="dark"] .badge.bg-light {
    background: #334155 !important;
    color: #CBD5E1 !important;
}

/* Image Thumbnails */
html[data-theme="dark"] .img-thumbnail {
    background: #0F172A;
    border-color: #334155;
}

/* Pagination */
html[data-theme="dark"] .page-link {
    background: #1E293B;
    border-color: #334155;
    color: #CBD5E1;
}

html[data-theme="dark"] .page-link:hover {
    background: #334155;
    color: #F1F5F9;
}

html[data-theme="dark"] .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}

/* Text Muted Override */
html[data-theme="dark"] .text-muted {
    color: #64748B !important;
}

/* ======================================
   DRAG AND DROP SORTABLE
   ====================================== */
.sortable-list {
    display: flex;
    flex-direction: column;
}

.sortable-item {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transition: background-color 0.2s ease;
}

.sortable-item:last-child {
    border-bottom: none;
}

.sortable-item.sortable-ghost {
    opacity: 0.4;
    background: var(--light-bg);
}

.sortable-item.sortable-drag {
    background: var(--white);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    cursor: grabbing !important;
}

.sortable-handle {
    color: var(--text-lighter);
    font-size: 1.2rem;
    cursor: grab;
    padding-right: 16px;
    display: flex;
    align-items: center;
}

.sortable-handle:active {
    cursor: grabbing;
}

.sortable-thumb {
    width: 60px;
    height: 45px;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 20px;
    flex-shrink: 0;
}

.sortable-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sortable-thumb-placeholder,
.sortable-icon-box {
    width: 45px;
    height: 45px;
    border-radius: 6px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.sortable-content {
    flex-grow: 1;
    min-width: 0;
}

.sortable-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sortable-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sortable-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sortable-item:hover .sortable-actions {
    opacity: 1;
}

/* Toast Notification */
.sortable-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--dark);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1050;
}

.sortable-toast.show {
    transform: translateY(0);
    opacity: 1;
}

html[data-theme="dark"] .sortable-item {
    background: #1E293B;
    border-bottom-color: #334155;
}

html[data-theme="dark"] .sortable-item.sortable-ghost {
    background: #0F172A;
}

html[data-theme="dark"] .sortable-item.sortable-drag {
    background: #1E293B;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

html[data-theme="dark"] .sortable-title {
    color: #F1F5F9;
}

html[data-theme="dark"] .sortable-meta {
    color: #94A3B8;
}

html[data-theme="dark"] .sortable-thumb-placeholder,
html[data-theme="dark"] .sortable-icon-box {
    background: #334155;
    color: #94A3B8;
}

html[data-theme="dark"] .sortable-toast {
    background: var(--primary);
}

/* ======================================
   IMAGE PROTECTION
   ====================================== */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}
/* ======================================
   PRELOADER
   ====================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #F8FAFC;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

html[data-theme="dark"] #preloader {
    background-color: #0B1120;
}

.preloader-hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

/* ── Light Mode Preloader ── */
.loader-icon {
    font-size: 3rem;
    color: var(--primary);
    animation: pulse 1.5s infinite ease-in-out;
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.25));
}

.loader-text {
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.85rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse-text 1.5s infinite ease-in-out;
}

/* ── Dark Mode Preloader ── */
html[data-theme="dark"] .loader-icon {
    color: #60A5FA;
    filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.5)) drop-shadow(0 0 40px rgba(96, 165, 250, 0.2));
}

html[data-theme="dark"] .loader-text {
    background: linear-gradient(135deg, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(96, 165, 250, 0.3));
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

@keyframes pulse-text {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.contact-social-btn:hover { background: var(--primary) !important; color: white !important; border-color: var(--primary) !important; transform: translateY(-2px); }

html[data-theme="dark"] .skill-card .skill-name { color: #F1F5F9 !important; }
html[data-theme="dark"] .skill-card .skill-description { color: #94A3B8 !important; }
html[data-theme="dark"] .navbar-porto .nav-link { color: #CBD5E1 !important; }
html[data-theme="dark"] .navbar-porto .nav-link.active, html[data-theme="dark"] .navbar-porto .nav-link:hover { color: #60A5FA !important; background: rgba(37,99,235,0.15) !important; }

/* ===== Dark Experience Timeline ===== */
html[data-theme="dark"] .exp-card { background: #1E293B; border-color: #334155; }
html[data-theme="dark"] .exp-card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.3); }
html[data-theme="dark"] .exp-period { background: rgba(37,99,235,0.15); color: #60A5FA; }
html[data-theme="dark"] .exp-title { color: #F1F5F9; }
html[data-theme="dark"] .exp-company { color: #94A3B8; }
html[data-theme="dark"] .exp-desc { color: #CBD5E1; }
html[data-theme="dark"] .exp-node-num { color: #F1F5F9; }
html[data-theme="dark"] .exp-line { background: rgba(255,255,255,0.1); }
html[data-theme="dark"] .exp-connector { border-top-color: rgba(255,255,255,0.1); }