/* ==========================================================================
   PANDU — Platform Edukasi Hukum & Literasi Digital
   Design System — Pastel Blue Theme, Professional E-Learning Concept
   ========================================================================== */

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

:root {
    /* Pastel blue palette */
    --primary-100: #E3F1FF;
    --primary-200: #C6E2FF;
    --primary-300: #9CCBFF;
    --primary-400: #6DAEFA;
    --primary-500: #4C93EE;   /* brand core */
    --primary-600: #3B7DDA;
    --primary-700: #2E63B8;
    --primary-800: #234B8C;
    --primary-light: #EEF6FF;

    --accent-peach: #FFD9C4;
    --accent-gold: #F5C77E;
    --accent-mint: #A9DBC9;

    --dark-navy: #1B2A41;
    --secondary-text: #51687E;
    --body-text: #3A4C5E;
    --background: #F5FAFF;
    --surface: #FFFFFF;
    --border: #DCEAFB;
    --divider: #CFE2F5;

    --success: #4FAE7C;
    --warning: #E8A445;
    --danger: #C0392B;
    --info: #5BA3C7;

    --dark-bg: #0F1B2B;
    --dark-surface: #16273D;
    --dark-border: #223A56;

    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --spacing-4: 4px;   --spacing-8: 8px;   --spacing-12: 12px;
    --spacing-16: 16px; --spacing-24: 24px; --spacing-32: 32px;
    --spacing-40: 40px; --spacing-48: 48px; --spacing-56: 56px;
    --spacing-64: 64px; --spacing-80: 80px;

    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px;
    --radius-xl: 24px; --radius-2xl: 32px; --radius-full: 999px;

    --shadow-sm: 0 2px 8px rgba(46, 99, 184, 0.08);
    --shadow-md: 0 8px 24px rgba(46, 99, 184, 0.12);
    --shadow-lg: 0 16px 48px rgba(46, 99, 184, 0.16);
    --shadow-glow: 0 0 0 6px rgba(76, 147, 238, 0.12);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--background);
    background-image:
        radial-gradient(circle at 8% 12%, var(--primary-100) 0%, transparent 45%),
        radial-gradient(circle at 95% 8%, var(--accent-peach) 0%, transparent 35%),
        radial-gradient(circle at 90% 90%, var(--primary-100) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--body-text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.dark-mode {
    background-color: var(--dark-bg);
    background-image:
        radial-gradient(circle at 8% 12%, rgba(76,147,238,0.10) 0%, transparent 45%),
        radial-gradient(circle at 95% 8%, rgba(245,199,126,0.08) 0%, transparent 35%);
    color: #E3EEFA;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-16);
}
body.dark-mode h1, body.dark-mode h2, body.dark-mode h3,
body.dark-mode h4, body.dark-mode h5, body.dark-mode h6 { color: #EAF3FF; }

h1 { font-size: 54px; letter-spacing: -0.5px; }
h2 { font-size: 40px; letter-spacing: -0.3px; }
h3 { font-size: 30px; }
h4 { font-size: 22px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary-700);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-16);
    border: 1px solid var(--primary-200);
}
body.dark-mode .eyebrow { background: rgba(76,147,238,0.15); border-color: rgba(76,147,238,0.3); color: var(--primary-300); }

p { font-size: 16px; line-height: 1.7; margin-bottom: var(--spacing-16); color: var(--body-text); }
body.dark-mode p { color: #C9DDF2; }

a { color: var(--primary-600); text-decoration: none; transition: color var(--transition-normal); }
a:hover { color: var(--primary-700); }

.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--spacing-40); }
section.section { padding: var(--spacing-80) var(--spacing-40); max-width: 1280px; margin: 0 auto; position: relative; }
@media (max-width: 900px) { section.section { padding: var(--spacing-56) var(--spacing-20); } .container{padding:0 20px;} }

.section-head { text-align: center; margin-bottom: var(--spacing-64); max-width: 720px; margin-left: auto; margin-right: auto; }
.section-head p { font-size: 18px; color: var(--secondary-text); margin-bottom: 0; }
body.dark-mode .section-head p { color: #AFC8E3; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    font-family: var(--font-body);
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    color: #fff;
    box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-secondary {
    background: var(--surface);
    color: var(--primary-700);
    border: 2px solid var(--primary-300);
}
body.dark-mode .btn-secondary { background: var(--dark-surface); color: var(--primary-200); border-color: var(--primary-700); }
.btn-secondary:hover { background: var(--primary-light); transform: translateY(-3px); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--primary-600); padding: 10px 16px; }
.btn-ghost:hover { background: var(--primary-light); }
.btn:active { transform: scale(0.97); }
.btn-block { width: 100%; }

/* ---------- Navigation ---------- */
nav#navbar {
    position: fixed; top: 0; left: 0; right: 0; height: 84px;
    background: rgba(245, 250, 255, 0.9);
    backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 var(--spacing-40);
    z-index: 1000;
    transition: all var(--transition-normal);
}
body.dark-mode nav#navbar { background: rgba(15, 27, 43, 0.9); }
nav#navbar.scrolled {
    background: rgba(245, 250, 255, 0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(46,99,184,0.08);
    height: 72px;
}
body.dark-mode nav#navbar.scrolled { background: rgba(15,27,43,0.85); border-bottom-color: var(--dark-border); }

.nav-logo { display: flex; align-items: center; gap: 12px; color: var(--dark-navy); font-weight: 800; font-size: 20px; transition: transform var(--transition-normal); font-family: var(--font-heading); }
body.dark-mode .nav-logo { color: #EAF3FF; }
.nav-logo:hover { transform: scale(1.04); }
.nav-logo-icon {
    width: 42px; height: 42px; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-400), var(--primary-700));
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm);
    animation: logoPulse 3.5s ease-in-out infinite;
}
@keyframes logoPulse { 0%,100%{ box-shadow: 0 0 0 0 rgba(76,147,238,0.35);} 50%{ box-shadow: 0 0 0 8px rgba(76,147,238,0);} }

.nav-menu { display: flex; gap: var(--spacing-32); list-style: none; flex: 1; justify-content: center; }
.nav-menu a { color: var(--body-text); font-size: 14.5px; font-weight: 600; position: relative; padding: 8px 0; }
body.dark-mode .nav-menu a { color: #C9DDF2; }
.nav-menu a::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2.5px;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-700));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary-600); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: var(--spacing-16); }
.nav-icon-btn {
    width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--surface); cursor: pointer; font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-fast);
}
body.dark-mode .nav-icon-btn { background: var(--dark-surface); border-color: var(--dark-border); }
.nav-icon-btn:hover { transform: rotate(15deg) scale(1.1); border-color: var(--primary-400); }
.nav-burger { display: none; }

@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .nav-burger { display: flex; }
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
    position: fixed; top: 84px; left: 0; right: 0; background: var(--surface);
    box-shadow: var(--shadow-lg); border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: var(--spacing-16); z-index: 999; transform: translateY(-120%); opacity: 0;
    transition: all var(--transition-normal); pointer-events: none;
}
body.dark-mode .mobile-menu { background: var(--dark-surface); }
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-menu a { display: block; padding: 14px 12px; color: var(--body-text); font-weight: 600; border-radius: var(--radius-md); }
.mobile-menu a:hover { background: var(--primary-light); }

/* ---------- Hero ---------- */
.hero {
    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--spacing-64);
    align-items: center; padding: 168px var(--spacing-40) var(--spacing-64);
    max-width: 1280px; margin: 0 auto; position: relative;
}
@media (max-width: 960px) { .hero { grid-template-columns: 1fr; padding: 140px 20px 40px; text-align:center; } }
.hero h1 { animation: fadeUp .8s ease both; }
.hero-desc { font-size: 18px; color: var(--secondary-text); max-width: 560px; animation: fadeUp .8s .1s ease both; }
body.dark-mode .hero-desc { color: #AFC8E3; }
.hero-cta { display: flex; gap: var(--spacing-16); flex-wrap: wrap; margin-top: var(--spacing-24); animation: fadeUp .8s .2s ease both; }
@media (max-width: 960px) { .hero-cta { justify-content: center; } }

.hero-stats { display: flex; gap: var(--spacing-40); margin-top: var(--spacing-48); animation: fadeUp .8s .3s ease both; }
@media (max-width: 960px) { .hero-stats { justify-content: center; flex-wrap: wrap; } }
.hero-stat-num { font-family: var(--font-heading); font-size: 30px; font-weight: 800; color: var(--primary-700); }
.hero-stat-label { font-size: 12.5px; color: var(--secondary-text); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }

.hero-illustration { position: relative; animation: fadeUp .9s .15s ease both; }
.float-slow { animation: floatY 6s ease-in-out infinite; }
.float-med { animation: floatY 4.5s ease-in-out infinite; }
.float-fast { animation: floatY 3.2s ease-in-out infinite; }
@keyframes floatY { 0%,100% { transform: translateY(0px); } 50% { transform: translateY(-14px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spinSlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes drawLine { from { stroke-dashoffset: 400; } to { stroke-dashoffset: 0; } }
@keyframes pulseSoft { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes bounceSmall { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-6px);} }

.badge-chip {
    position: absolute; background: var(--surface); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md); padding: 12px 18px; display: flex; align-items: center; gap: 10px;
    font-size: 13px; font-weight: 700; color: var(--dark-navy); border: 1px solid var(--border);
}
body.dark-mode .badge-chip { background: var(--dark-surface); border-color: var(--dark-border); color: #EAF3FF; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(.92); transition: opacity .6s ease, transform .6s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ---------- Cards & grids ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-24); }
@media (max-width: 1100px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cards-grid { grid-template-columns: 1fr; } }

.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: var(--spacing-24); transition: all var(--transition-normal); position: relative; overflow: hidden;
}
body.dark-mode .card { background: var(--dark-surface); border-color: var(--dark-border); }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-300); }
.card::before {
    content: ''; position: absolute; top: 0; left: 0; height: 4px; width: 100%;
    background: linear-gradient(90deg, var(--primary-400), var(--accent-gold));
    transform: scaleX(0); transform-origin: left; transition: transform var(--transition-normal);
}
.card:hover::before { transform: scaleX(1); }

/* Stat card (counters) */
.stat-card { text-align: center; }
.stat-num { font-family: var(--font-heading); font-size: 42px; font-weight: 800; color: var(--primary-600); }
.stat-label { font-size: 13px; font-weight: 700; color: var(--secondary-text); letter-spacing: .4px; text-transform: uppercase; margin-top: 4px; }

/* ---------- Course / Module cards (elearning) ---------- */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-24); }
@media (max-width: 1000px) { .module-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .module-grid { grid-template-columns: 1fr; } }

.module-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition-normal); cursor: pointer; display:flex; flex-direction:column; }
body.dark-mode .module-card { background: var(--dark-surface); border-color: var(--dark-border); }
.module-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.module-thumb { height: 140px; position: relative; display: flex; align-items: center; justify-content: center; overflow:hidden; }
.module-thumb svg { width: 100%; height: 100%; }
.module-level {
    position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,0.92); color: var(--primary-700);
    font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: .3px;
}
.module-body { padding: var(--spacing-20, 20px); flex: 1; display: flex; flex-direction: column; }
.module-tag { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--primary-700); background: var(--primary-light); padding: 3px 10px; border-radius: var(--radius-full); margin-bottom: 10px; align-self: flex-start; }
.module-body h4 { margin-bottom: 8px; font-size: 18px; }
.module-desc { font-size: 13.5px; color: var(--secondary-text); flex: 1; margin-bottom: 14px; }
body.dark-mode .module-desc { color: #AFC8E3; }
.module-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--secondary-text); margin-bottom: 12px; }

.progress-track { width: 100%; height: 8px; background: var(--primary-100); border-radius: var(--radius-full); overflow: hidden; }
body.dark-mode .progress-track { background: rgba(255,255,255,0.08); }
.progress-fill { height: 100%; border-radius: var(--radius-full); background: linear-gradient(90deg, var(--primary-400), var(--primary-700)); width: 0%; transition: width 1.2s cubic-bezier(.4,0,.2,1); }

/* ---------- Badges / achievements ---------- */
.badges-row { display: flex; gap: var(--spacing-24); flex-wrap: wrap; justify-content: center; }
.badge-item { width: 140px; text-align: center; padding: var(--spacing-16); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); transition: transform var(--transition-normal); }
body.dark-mode .badge-item { background: var(--dark-surface); border-color: var(--dark-border); }
.badge-item:hover { transform: translateY(-6px) rotate(-2deg); }
.badge-icon-circle { width: 64px; height: 64px; margin: 0 auto 10px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-200), var(--accent-gold)); font-size: 28px; }
.badge-item strong { font-size: 13px; display: block; }
.badge-item span { font-size: 11px; color: var(--secondary-text); }

/* ---------- Timeline (learning path) ---------- */
.path-timeline { position: relative; max-width: 880px; margin: 0 auto; }
.path-timeline::before {
    content: ''; position: absolute; left: 27px; top: 12px; bottom: 12px; width: 3px;
    background: repeating-linear-gradient(to bottom, var(--primary-300) 0 8px, transparent 8px 16px);
}
.path-step { display: flex; gap: var(--spacing-24); margin-bottom: var(--spacing-32); position: relative; }
.path-dot {
    flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; background: var(--surface);
    border: 3px solid var(--primary-400); display: flex; align-items: center; justify-content: center;
    font-size: 22px; z-index: 2; box-shadow: var(--shadow-sm);
}
body.dark-mode .path-dot { background: var(--dark-surface); }
.path-content { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--spacing-20, 20px); flex: 1; }
body.dark-mode .path-content { background: var(--dark-surface); border-color: var(--dark-border); }

/* ---------- Accordion (FAQ) ---------- */
.accordion-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-bottom: var(--spacing-16); overflow: hidden; transition: box-shadow var(--transition-normal); }
body.dark-mode .accordion-item { background: var(--dark-surface); border-color: var(--dark-border); }
.accordion-item.open { box-shadow: var(--shadow-md); }
.accordion-head { padding: var(--spacing-20, 20px) var(--spacing-24); display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 700; gap: 16px; }
.accordion-head .chevron { transition: transform var(--transition-normal); color: var(--primary-500); flex-shrink: 0; }
.accordion-item.open .chevron { transform: rotate(180deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height var(--transition-normal); padding: 0 var(--spacing-24); }
.accordion-item.open .accordion-body { padding-bottom: var(--spacing-20, 20px); }
.accordion-body p { font-size: 14.5px; margin: 0; color: var(--secondary-text); }
body.dark-mode .accordion-body p { color: #AFC8E3; }

/* ---------- Quiz widget ---------- */
.quiz-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: var(--spacing-32); box-shadow: var(--shadow-sm); }
body.dark-mode .quiz-box { background: var(--dark-surface); border-color: var(--dark-border); }
.quiz-option { display: block; width: 100%; text-align: left; padding: 14px 18px; margin-bottom: 12px; border: 2px solid var(--border); border-radius: var(--radius-md); background: transparent; cursor: pointer; font-size: 14.5px; font-weight: 600; color: var(--body-text); transition: all var(--transition-fast); }
body.dark-mode .quiz-option { color: #E3EEFA; border-color: var(--dark-border); }
.quiz-option:hover { border-color: var(--primary-400); background: var(--primary-light); }
.quiz-option.correct { border-color: var(--success); background: rgba(79,174,124,0.12); }
.quiz-option.wrong { border-color: var(--danger); background: rgba(192,57,43,0.1); }
.quiz-feedback { margin-top: 12px; font-weight: 700; font-size: 14px; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; background: rgba(27,42,65,0.55); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; pointer-events: none; transition: opacity var(--transition-normal); backdrop-filter: blur(3px); }
.modal.active { opacity: 1; pointer-events: all; }
.modal-content { background: var(--surface); border-radius: var(--radius-xl); width: min(560px, 92vw); max-height: 86vh; overflow-y: auto; box-shadow: var(--shadow-lg); transform: scale(.92) translateY(20px); transition: transform var(--transition-normal); }
body.dark-mode .modal-content { background: var(--dark-surface); }
.modal.active .modal-content { transform: scale(1) translateY(0); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: var(--spacing-24); border-bottom: 1px solid var(--border); position: sticky; top: 0; background: inherit; }
body.dark-mode .modal-header { border-color: var(--dark-border); }
.modal-header h3 { margin: 0; font-size: 20px; }
.modal-close { background: var(--primary-light); border: none; width: 34px; height: 34px; border-radius: 50%; font-size: 20px; cursor: pointer; color: var(--primary-700); transition: transform var(--transition-fast); }
.modal-close:hover { transform: rotate(90deg); }
.modal-body { padding: var(--spacing-24); }

/* ---------- Chat UI ---------- */
.chat-shell { display: grid; grid-template-columns: 300px 1fr; gap: var(--spacing-24); align-items: start; }
@media (max-width: 900px) { .chat-shell { grid-template-columns: 1fr; } }
.chat-side { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--spacing-20, 20px); position: sticky; top: 100px; }
body.dark-mode .chat-side { background: var(--dark-surface); border-color: var(--dark-border); }
.chat-side h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--secondary-text); margin-bottom: var(--spacing-16); }
.chip-btn { display: block; width: 100%; text-align: left; background: var(--primary-light); border: 1px solid var(--primary-200); color: var(--primary-700); padding: 10px 14px; border-radius: var(--radius-md); font-size: 13.5px; font-weight: 600; margin-bottom: 10px; cursor: pointer; transition: all var(--transition-fast); }
body.dark-mode .chip-btn { background: rgba(76,147,238,0.12); border-color: rgba(76,147,238,0.3); color: var(--primary-200); }
.chip-btn:hover { background: var(--primary-200); transform: translateX(4px); }

.chat-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; flex-direction: column; height: 620px; overflow: hidden; box-shadow: var(--shadow-sm); }
body.dark-mode .chat-panel { background: var(--dark-surface); border-color: var(--dark-border); }
.chat-panel-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
body.dark-mode .chat-panel-head { border-color: var(--dark-border); }
.chat-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-400), var(--primary-700)); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink:0; }
.chat-status { font-size: 12px; color: var(--success); font-weight: 700; display: flex; align-items: center; gap: 6px; }
.chat-status .dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulseSoft 1.6s infinite; }

.chat-box, #chatBox { flex: 1; overflow-y: auto; padding: var(--spacing-20, 20px); display: flex; flex-direction: column; gap: 14px; }
.chat-message { display: flex; gap: 10px; max-width: 85%; animation: fadeUp .35s ease both; }
.chat-message.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-avatar-sm { width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; display:flex; align-items:center; justify-content:center; font-size:15px; background: var(--primary-light); }
.chat-message.user .chat-avatar-sm { background: var(--primary-600); color: #fff; }
.chat-bubble { padding: 12px 16px; border-radius: var(--radius-lg); font-size: 14.5px; line-height: 1.55; }
.chat-bubble.bot { background: var(--primary-light); color: var(--dark-navy); border-radius: 4px 18px 18px 18px; }
body.dark-mode .chat-bubble.bot { background: rgba(76,147,238,0.14); color: #EAF3FF; }
.chat-bubble.user { background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); color: #fff; border-radius: 18px 4px 18px 18px; }
.chat-time { font-size: 10.5px; color: var(--secondary-text); margin-top: 4px; }
.chat-time-row { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.chat-msg-actions { display: flex; gap: 4px; opacity: 0; transition: opacity var(--transition-fast); }
.chat-message:hover .chat-msg-actions { opacity: 1; }
.msg-action-btn { border: none; background: transparent; color: var(--secondary-text); font-size: 12px; cursor: pointer; padding: 2px 4px; border-radius: 6px; transition: all var(--transition-fast); }
.msg-action-btn:hover { background: var(--primary-light); color: var(--primary-700); }
.msg-action-btn.active-reaction { color: var(--primary-600); background: var(--primary-light); }

.typing-indicator { display: flex; gap: 4px; padding: 14px 16px; background: var(--primary-light); border-radius: 4px 18px 18px 18px; width: fit-content; }
body.dark-mode .typing-indicator { background: rgba(76,147,238,0.14); }
.typing-indicator span { width: 7px; height: 7px; background: var(--primary-500); border-radius: 50%; animation: typingBounce 1.2s infinite; }
.typing-indicator span:nth-child(2) { animation-delay: .2s; }
.typing-indicator span:nth-child(3) { animation-delay: .4s; }
@keyframes typingBounce { 0%,60%,100%{ transform: translateY(0); opacity:.5;} 30%{ transform: translateY(-6px); opacity:1;} }

.chat-quick-replies { display: flex; gap: 8px; padding: 0 20px 12px; flex-wrap: wrap; }
.quick-reply { background: var(--surface); border: 1.5px solid var(--primary-300); color: var(--primary-700); font-size: 12.5px; font-weight: 600; padding: 7px 14px; border-radius: var(--radius-full); cursor: pointer; transition: all var(--transition-fast); }
body.dark-mode .quick-reply { background: var(--dark-surface); color: var(--primary-200); }
.quick-reply:hover { background: var(--primary-500); color: #fff; border-color: var(--primary-500); }

.chat-input-row { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; }
body.dark-mode .chat-input-row { border-color: var(--dark-border); }
.chat-input-row input { flex: 1; padding: 13px 18px; border: 1.5px solid var(--border); border-radius: var(--radius-full); font-family: var(--font-body); font-size: 14.5px; background: var(--background); color: var(--body-text); }
body.dark-mode .chat-input-row input { background: var(--dark-bg); border-color: var(--dark-border); color: #E3EEFA; }
.chat-input-row input:focus { outline: none; border-color: var(--primary-400); box-shadow: var(--shadow-glow); }
.chat-send-btn { width: 46px; height: 46px; border-radius: 50%; border: none; background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); color: #fff; font-size: 18px; cursor: pointer; flex-shrink: 0; transition: transform var(--transition-fast); }
.chat-send-btn:hover { transform: scale(1.08) rotate(8deg); }

/* Floating AI button */
.floating-ai-btn {
    position: fixed; bottom: 28px; right: 28px; width: 62px; height: 62px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); border: none; color: #fff;
    font-size: 26px; cursor: pointer; box-shadow: var(--shadow-lg); z-index: 900;
    display: flex; align-items: center; justify-content: center;
    animation: floatY 3.5s ease-in-out infinite;
}
.floating-ai-btn:hover { transform: scale(1.1); }
.floating-ai-btn::after {
    content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid var(--primary-400);
    opacity: 0; animation: ringPulse 2.4s infinite;
}
@keyframes ringPulse { 0%{ opacity:.6; transform: scale(.9);} 100%{ opacity:0; transform: scale(1.35);} }

/* ---------- Forms ---------- */
.form-group { margin-bottom: var(--spacing-20, 20px); }
.form-group label { display: block; font-weight: 700; font-size: 13.5px; margin-bottom: 8px; color: var(--dark-navy); }
body.dark-mode .form-group label { color: #EAF3FF; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-md);
    font-family: var(--font-body); font-size: 14.5px; background: var(--surface); color: var(--body-text);
    transition: all var(--transition-fast);
}
body.dark-mode .form-group input, body.dark-mode .form-group textarea, body.dark-mode .form-group select {
    background: var(--dark-bg); border-color: var(--dark-border); color: #E3EEFA;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary-400); box-shadow: var(--shadow-glow); }

.success-message { background: rgba(79,174,124,0.1); color: var(--success); padding: var(--spacing-16); border-radius: var(--radius-md); margin-bottom: var(--spacing-24); border-left: 4px solid var(--success); }
.error-message { background: rgba(192,57,43,0.08); color: var(--danger); padding: var(--spacing-16); border-radius: var(--radius-md); margin-bottom: var(--spacing-24); border-left: 4px solid var(--danger); }

/* ---------- Footer ---------- */
footer { background: linear-gradient(160deg, var(--dark-navy), #2A171A); color: #E3EEFA; padding: var(--spacing-64) var(--spacing-40) var(--spacing-24); margin-top: var(--spacing-80); }
.footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--spacing-40); padding-bottom: var(--spacing-40); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: var(--spacing-16); }
.footer-col p { color: #AFC8E3; font-size: 14px; }
.footer-col a { display: block; color: #AFC8E3; font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--primary-300); }
.footer-bottom { max-width: 1280px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--spacing-24); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #9FB8D6; }

/* ---------- Misc ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-40); }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.tag-pill { display: inline-block; background: var(--primary-light); color: var(--primary-700); padding: 4px 12px; border-radius: var(--radius-full); font-size: 12px; font-weight: 700; }
body.dark-mode .tag-pill { background: rgba(76,147,238,0.15); color: var(--primary-200); }

.divider-wave { display: block; width: 100%; height: 60px; }

.back-to-top { position: fixed; bottom: 28px; left: 28px; width: 46px; height: 46px; border-radius: 50%; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 800; opacity: 0; pointer-events: none; transition: all var(--transition-normal); }
.back-to-top.show { opacity: 1; pointer-events: all; }
body.dark-mode .back-to-top { background: var(--dark-surface); border-color: var(--dark-border); }

.skeleton-shimmer { background: linear-gradient(90deg, var(--primary-100) 25%, var(--primary-200) 37%, var(--primary-100) 63%); background-size: 400% 100%; animation: shimmer 1.4s ease infinite; }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* Countup */
.countup { display: inline-block; }

/* Case card */
.case-card { border-left: 5px solid var(--primary-500); }
.risk-badge { font-size: 11px; font-weight: 800; letter-spacing: .4px; padding: 4px 10px; border-radius: var(--radius-full); text-transform: uppercase; }
.risk-high { background: rgba(192,57,43,0.12); color: var(--danger); }
.risk-mid { background: rgba(232,164,69,0.15); color: #A66A1C; }
.risk-psych { background: rgba(91,163,199,0.15); color: var(--info); }

/* ==========================================================================
   Kelas Online — LMS / Classroom Layout
   ========================================================================== */
.course-tabs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: var(--spacing-40); }
.course-tab { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1.5px solid var(--border); padding: 12px 20px; border-radius: var(--radius-full); font-weight: 700; font-size: 14px; cursor: pointer; transition: all var(--transition-fast); color: var(--body-text); }
body.dark-mode .course-tab { background: var(--dark-surface); border-color: var(--dark-border); color: #E3EEFA; }
.course-tab .ct-icon { font-size: 18px; }
.course-tab:hover { border-color: var(--primary-400); transform: translateY(-2px); }
.course-tab.active { background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); color: #fff; border-color: transparent; box-shadow: var(--shadow-md); }
.course-tab .ct-pct { font-size: 11px; font-weight: 800; background: rgba(255,255,255,0.25); padding: 2px 8px; border-radius: var(--radius-full); }
.course-tab:not(.active) .ct-pct { background: var(--primary-light); color: var(--primary-700); }

.lms-shell { display: grid; grid-template-columns: 300px 1fr; gap: var(--spacing-24); align-items: start; }
@media (max-width: 900px) { .lms-shell { grid-template-columns: 1fr; } }

.lms-sidebar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--spacing-20, 20px); position: sticky; top: 100px; }
body.dark-mode .lms-sidebar { background: var(--dark-surface); border-color: var(--dark-border); }
.lms-sidebar h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .5px; color: var(--secondary-text); margin-bottom: 4px; }
.lms-course-title { font-size: 17px; margin-bottom: 12px; }
.lms-progress-label { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; color: var(--secondary-text); margin-bottom: 6px; }
.lesson-list { list-style: none; margin: 16px 0; padding: 0; }
.lesson-item { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: var(--radius-md); cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--body-text); margin-bottom: 4px; transition: all var(--transition-fast); border: 1.5px solid transparent; }
body.dark-mode .lesson-item { color: #E3EEFA; }
.lesson-item:hover { background: var(--primary-light); }
body.dark-mode .lesson-item:hover { background: rgba(76,147,238,0.12); }
.lesson-item.active { background: var(--primary-light); border-color: var(--primary-300); color: var(--primary-700); }
body.dark-mode .lesson-item.active { background: rgba(76,147,238,0.18); border-color: rgba(76,147,238,0.4); color: var(--primary-200); }
.lesson-check { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 11px; color: transparent; transition: all var(--transition-fast); }
body.dark-mode .lesson-check { border-color: var(--dark-border); }
.lesson-item.done .lesson-check { background: var(--success); border-color: var(--success); color: #fff; }
.lesson-num { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--primary-light); color: var(--primary-700); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; }
.lesson-item.active .lesson-num, .lesson-item.done .lesson-num { display: none; }
.lesson-item.active .lesson-check, .lesson-item.done .lesson-check { display: flex; }
.lesson-item:not(.active):not(.done) .lesson-check { display: none; }
.exam-btn-side { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: var(--radius-md); cursor: pointer; font-size: 13.5px; font-weight: 700; margin-top: 8px; border: 1.5px dashed var(--primary-300); color: var(--primary-700); transition: all var(--transition-fast); }
body.dark-mode .exam-btn-side { color: var(--primary-200); border-color: rgba(76,147,238,0.4); }
.exam-btn-side:hover { background: var(--primary-light); }
.exam-btn-side.locked { opacity: .5; cursor: not-allowed; }
body.dark-mode .exam-btn-side:hover { background: rgba(76,147,238,0.12); }

.lms-content { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--spacing-32); min-height: 480px; box-shadow: var(--shadow-sm); }
body.dark-mode .lms-content { background: var(--dark-surface); border-color: var(--dark-border); }
.lms-content .lesson-meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--secondary-text); margin-bottom: 18px; flex-wrap: wrap; }
.lms-content .lesson-meta span { display: flex; align-items: center; gap: 6px; }
.lms-content h3 { margin-bottom: 18px; }
.lms-content .lesson-body p { font-size: 15px; }
.reference-box { background: var(--primary-light); border: 1px solid var(--primary-200); border-radius: var(--radius-md); padding: 18px 22px; margin: 24px 0; }
body.dark-mode .reference-box { background: rgba(76,147,238,0.1); border-color: rgba(76,147,238,0.3); }
.reference-box h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .4px; color: var(--primary-700); margin-bottom: 10px; display:flex; align-items:center; gap:8px; }
body.dark-mode .reference-box h5 { color: var(--primary-200); }
.reference-box ol { margin: 0 0 0 18px; padding: 0; }
.reference-box li { font-size: 13px; color: var(--secondary-text); margin-bottom: 6px; line-height: 1.6; }
body.dark-mode .reference-box li { color: #C9DDF2; }
.lesson-nav-btns { display: flex; justify-content: space-between; margin-top: 28px; gap: 12px; flex-wrap: wrap; }

.exam-progress-dots { display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap; }
.exam-dot { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary-700); font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
body.dark-mode .exam-dot { background: rgba(76,147,238,0.12); color: var(--primary-200); }
.exam-dot.answered { background: var(--primary-500); color: #fff; }
.exam-result-box { text-align: center; padding: 32px; }
.exam-score-ring { width: 140px; height: 140px; border-radius: 50%; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 800; font-family: var(--font-heading); color: #fff; }
.cert-box { border: 3px double var(--primary-400); border-radius: var(--radius-lg); padding: 40px; text-align: center; margin-top: 28px; background: linear-gradient(160deg, var(--primary-light), var(--surface)); }
body.dark-mode .cert-box { background: linear-gradient(160deg, rgba(76,147,238,0.1), var(--dark-surface)); }
.cert-box .cert-title { font-family: var(--font-heading); font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--primary-600); margin-bottom: 8px; }
.cert-name-input { text-align: center; font-family: var(--font-heading); font-size: 26px; font-weight: 700; border: none; border-bottom: 2px solid var(--primary-300); background: transparent; color: var(--dark-navy); padding: 6px 12px; width: 90%; max-width: 420px; margin: 10px 0 18px; }
body.dark-mode .cert-name-input { color: #EAF3FF; }
.cert-name-input:focus { outline: none; border-color: var(--primary-500); }
@media print {
    body * { visibility: hidden; }
    #certPrintArea, #certPrintArea * { visibility: visible; }
    #certPrintArea { position: fixed; inset: 0; padding: 60px; }
}