/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg-primary: #0d0f1c;
  --bg-secondary: #151828;
  --bg-card: #1c2035;
  --bg-card-hover: #222640;
  --text-primary: #f0f2ff;
  --text-secondary: #8b90b8;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-h: linear-gradient(135deg, #818cf8, #a78bfa);
  --success: #10b981; --danger: #ef4444; --warning: #f59e0b;
  --border: rgba(255,255,255,0.07);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 14px; --radius-sm: 8px;
  --transition: 0.25s ease;
  --font: 'Inter', system-ui, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-2)}
h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:700}
p{color:var(--text-secondary);margin-bottom:1rem}

/* ─── Glass ─────────────────────────────────────────────────── */
.glass{background:rgba(28,32,53,0.75);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.glass-light{background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--radius)}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar{position:fixed;top:0;left:0;width:100%;padding:.9rem 5%;display:flex;align-items:center;justify-content:space-between;z-index:1000;background:rgba(13,15,28,0.82);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:var(--transition)}
.navbar.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 24px rgba(0,0,0,0.3)}
.nav-brand{display:flex;align-items:center;gap:.6rem;font-size:1.25rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em}
.nav-brand i{color:var(--accent);font-size:1.4rem}
.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none}
.nav-links a{color:var(--text-secondary);font-weight:500;font-size:.92rem;position:relative;padding:.2rem 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--gradient);border-radius:2px;transition:var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}
.nav-links a:hover::after{width:100%}
.nav-divider{width:1px;height:24px;background:var(--border)}

/* Avatar */
.nav-avatar{display:flex;align-items:center}
.avatar-img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid var(--accent)}
.avatar-placeholder{width:34px;height:34px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;letter-spacing:.04em}

/* Hamburger */
.nav-hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}
.nav-hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.active span:nth-child(2){opacity:0}
.nav-hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.6rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;border:none;font-family:var(--font);transition:var(--transition);white-space:nowrap}
.btn-sm{padding:.4rem 1rem;font-size:.85rem}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 16px rgba(99,102,241,.35)}
.btn-primary:hover{background:var(--gradient-h);transform:translateY(-2px);box-shadow:0 8px 24px rgba(99,102,241,.5);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:rgba(99,102,241,.12);transform:translateY(-2px);color:var(--accent)}
.btn-danger{background:transparent;border:1.5px solid var(--danger);color:var(--danger)}
.btn-danger:hover{background:rgba(239,68,68,.12);color:var(--danger)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{filter:brightness(1.1);transform:translateY(-2px);color:#fff}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ─── Flash Messages ─────────────────────────────────────────── */
.flash-messages{position:fixed;top:5rem;right:1.5rem;z-index:2000;display:flex;flex-direction:column;gap:.7rem;max-width:380px;transition:opacity .5s}
.flash{display:flex;align-items:center;gap:.75rem;padding:.85rem 1.2rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;animation:slideIn .3s ease}
.flash-success{background:rgba(16,185,129,.15);border:1px solid var(--success);color:#6ee7b7}
.flash-error{background:rgba(239,68,68,.15);border:1px solid var(--danger);color:#fca5a5}
.flash-info{background:rgba(99,102,241,.15);border:1px solid var(--accent);color:#a5b4fc}
.flash-close{margin-left:auto;background:none;border:none;color:inherit;cursor:pointer;font-size:1rem;opacity:.7}
.flash-close:hover{opacity:1}

/* ─── Hero ───────────────────────────────────────────────────── */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:9rem 5% 5rem;position:relative;overflow:hidden}
.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;z-index:0;pointer-events:none}
.hero::before{width:60vw;height:60vw;top:-20%;left:-20%;background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 70%)}
.hero::after{width:40vw;height:40vw;bottom:-10%;right:-10%;background:radial-gradient(circle,rgba(139,92,246,.1) 0%,transparent 70%)}
.hero-content{position:relative;z-index:1;max-width:860px}
.hero-eyebrow{display:inline-block;padding:.3rem 1rem;border-radius:20px;background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.3);font-size:.8rem;font-weight:600;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.4rem,6vw,4.5rem);background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1.5rem;line-height:1.1}
.hero p{font-size:1.15rem;max-width:600px;margin:0 auto 2.5rem;color:var(--text-secondary)}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.8rem;color:var(--text-secondary);margin-top:2rem}
.hero-badge i{color:var(--success)}

/* ─── Cards & Grid ──────────────────────────────────────────── */
.section{padding:5rem 5%}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-header h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.75rem}
.section-header p{font-size:1.05rem;max-width:560px;margin:0 auto}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.75rem}
.card{padding:2rem;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);opacity:0;transition:var(--transition)}
.card:hover{background:var(--bg-card-hover);border-color:rgba(99,102,241,.25);transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,.35)}
.card:hover::before{opacity:1}
.card-icon{width:52px;height:52px;border-radius:12px;background:rgba(99,102,241,.12);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--accent);margin-bottom:1.25rem}
.card h3{font-size:1.15rem;margin-bottom:.6rem}
.card p{font-size:.92rem;margin-bottom:0}

/* ─── Module Card ─────────────────────────────────────────── */
.module-card{padding:0;overflow:hidden}
.module-card-img{height:160px;background:linear-gradient(135deg,#1c2035,#2d3561);display:flex;align-items:center;justify-content:center;font-size:3rem;color:rgba(99,102,241,.4)}
.module-card-img img{width:100%;height:100%;object-fit:cover}
.module-card-body{padding:1.5rem}
.module-card-body h3{font-size:1.05rem;margin-bottom:.5rem}
.module-meta{display:flex;align-items:center;justify-content:space-between;margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border)}
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .7rem;border-radius:20px;font-size:.78rem;font-weight:600}
.badge-accent{background:rgba(99,102,241,.15);color:var(--accent);border:1px solid rgba(99,102,241,.25)}
.badge-success{background:rgba(16,185,129,.12);color:var(--success);border:1px solid rgba(16,185,129,.25)}
.badge-warning{background:rgba(245,158,11,.12);color:var(--warning);border:1px solid rgba(245,158,11,.25)}
.badge-danger{background:rgba(239,68,68,.12);color:var(--danger);border:1px solid rgba(239,68,68,.25)}

/* ─── Forms ──────────────────────────────────────────────────── */
.form-card{max-width:520px;width:100%;margin:0 auto;padding:2.5rem}
.form-card-wide{max-width:720px}
.form-group{margin-bottom:1.4rem}
.form-group label{display:block;margin-bottom:.5rem;font-size:.88rem;font-weight:600;color:var(--text-secondary);letter-spacing:.03em}
.form-control{width:100%;padding:.75rem 1rem;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:rgba(0,0,0,.2);color:var(--text-primary);font-family:var(--font);font-size:.95rem;transition:var(--transition)}
.form-control:focus{outline:none;border-color:var(--accent);background:rgba(99,102,241,.05);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.form-control::placeholder{color:rgba(255,255,255,.25)}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-divider{border:0;border-top:1px solid var(--border);margin:2rem 0}
.form-text{font-size:.82rem;color:var(--text-secondary);margin-top:.4rem}
.form-actions{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:2rem}

/* ─── Dashboard Layout ─────────────────────────────────────── */
.dashboard{display:grid;grid-template-columns:240px 1fr;min-height:100vh;padding-top:70px}
.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);padding:2rem 1.25rem;position:sticky;top:70px;height:calc(100vh - 70px);overflow-y:auto}
.sidebar-title{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary);padding:.5rem .75rem;margin-bottom:.5rem}
.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.65rem .75rem;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.92rem;font-weight:500;transition:var(--transition);margin-bottom:.2rem}
.sidebar-link:hover,.sidebar-link.active{background:rgba(99,102,241,.12);color:var(--text-primary)}
.sidebar-link.active{background:rgba(99,102,241,.18);color:var(--accent)}
.sidebar-link i{width:20px;text-align:center;font-size:.95rem}
.dashboard-body{padding:2.5rem;overflow-y:auto}
.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2.5rem;flex-wrap:wrap;gap:1rem}
.dashboard-title{font-size:1.6rem;font-weight:700}

/* ─── Stats Row ─────────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.25rem;margin-bottom:2.5rem}
.stat-card{padding:1.5rem;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);text-align:center}
.stat-value{font-size:2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.82rem;color:var(--text-secondary);margin-top:.25rem}

/* ─── Table ──────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
th,td{padding:.9rem 1.2rem;text-align:left;font-size:.9rem}
th{background:rgba(0,0,0,.2);color:var(--text-secondary);font-weight:600;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--border)}
td{border-bottom:1px solid rgba(255,255,255,.04)}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.02)}

/* ─── Section Wrappers ──────────────────────────────────────── */
.page-hero{padding:8rem 5% 4rem;text-align:center;position:relative}
.page-hero h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.75rem}
.content-wrap{max-width:1100px;margin:0 auto;padding:0 5% 5rem}

/* ─── Exam Type Indicators ──────────────────────────────────── */
.exam-type-THEORY{color:var(--success)}
.exam-type-PRACTICAL{color:var(--warning)}
.exam-type-MIXED{color:var(--accent-3)}

/* ─── Profile Page ──────────────────────────────────────────── */
.profile-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid var(--accent);margin:0 auto 1.5rem}
.profile-avatar-placeholder{width:100px;height:100px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:2.2rem;font-weight:800;color:#fff;margin:0 auto 1.5rem;border:3px solid rgba(99,102,241,.4)}

/* ─── Footer ─────────────────────────────────────────────────── */
.site-footer{padding:3.5rem 5%;border-top:1px solid var(--border);margin-top:5rem;text-align:center}
.footer-inner{max-width:800px;margin:0 auto}
.footer-brand{display:inline-flex;align-items:center;gap:.6rem;font-size:1.15rem;font-weight:800;color:var(--text-primary);margin-bottom:.75rem}
.footer-brand i{color:var(--accent)}
.footer-tagline{font-size:.92rem;color:var(--text-secondary);margin-bottom:1.5rem}
.footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:1.5rem;flex-wrap:wrap}
.footer-links a{color:var(--text-secondary);font-size:.88rem;font-weight:500}
.footer-links a:hover{color:var(--accent)}
.footer-copy{font-size:.82rem;color:rgba(255,255,255,.3)}

/* ─── Animations ─────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:translateX(0)}}
.anim-up{animation:fadeUp .55s ease both}
.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}

/* ─── Responsive ─────────────────────────────────────────────── */
@media(max-width:900px){
  .dashboard{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;padding:1rem;display:flex;flex-wrap:wrap;gap:.5rem}
  .sidebar-title{display:none}
}
@media(max-width:640px){
  .nav-links{display:none;position:fixed;top:70px;left:0;right:0;background:rgba(13,15,28,.98);flex-direction:column;padding:1.5rem;gap:1rem;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-hamburger{display:flex}
  .form-row{grid-template-columns:1fr}
  .form-actions{flex-direction:column}
  .form-actions .btn{width:100%}
  .stats-row{grid-template-columns:1fr 1fr}
  .hero-actions{flex-direction:column;align-items:center}
}