/* ============================================
   REDESIGN.CSS — GloseMester Premium Design System
   v2.6 — Glassmorphism + Dark Purple + Neon Glow
   ============================================ */

/* ==================== DESIGN TOKENS ==================== */
:root {
    /* ── Primærfarger ── */
    --purple-900: hsl(258, 90%, 20%);
    --purple-800: hsl(258, 85%, 30%);
    --purple-700: hsl(258, 80%, 40%);
    --purple-600: hsl(258, 80%, 50%);   /* Primær */
    --purple-500: hsl(258, 75%, 58%);
    --purple-400: hsl(258, 80%, 68%);
    --purple-300: hsl(258, 85%, 78%);
    --purple-100: hsl(258, 80%, 96%);

    /* ── Aksentfarger ── */
    --accent-violet: hsl(270, 100%, 65%);
    --accent-indigo: hsl(240, 90%, 65%);
    --accent-gold:   hsl(43,  95%, 58%);
    --accent-cyan:   hsl(195, 90%, 55%);
    --accent-pink:   hsl(320, 85%, 65%);

    /* ── Gradienter ── */
    --gradient-purple: linear-gradient(135deg, hsl(258, 80%, 52%) 0%, hsl(270, 85%, 60%) 100%);
    --gradient-gold: linear-gradient(135deg, hsl(43, 95%, 55%) 0%, hsl(38, 100%, 50%) 100%);
    --gradient-dark: linear-gradient(170deg, hsl(258, 80%, 14%) 0%, hsl(258, 70%, 8%) 100%);

    /* ── Glassmorphism overflater ── */
    --glass-white: rgba(255, 255, 255, 0.08);
    --glass-white-hover: rgba(255, 255, 255, 0.14);
    --glass-white-strong: rgba(255, 255, 255, 0.72);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-border-strong: rgba(255, 255, 255, 0.45);

    /* ── Mørk app-bakgrunn ── */
    --bg-deep: hsl(258, 60%, 8%);
    --bg-dark: hsl(258, 50%, 12%);
    --bg-card: hsl(258, 45%, 15%);

    /* ── Lys app-bakgrunn (student-view) ── */
    --bg-light: hsl(258, 60%, 97%);
    --bg-surface: rgba(255, 255, 255, 0.78);

    /* ── Tekst ── */
    --text-primary: hsl(258, 15%, 12%);
    --text-secondary: hsl(258, 10%, 40%);
    --text-muted: hsl(258, 8%, 60%);
    --text-on-dark: rgba(255, 255, 255, 0.95);
    --text-on-dark-muted: rgba(255, 255, 255, 0.6);

    /* ── Typografi ── */
    --font-heading: 'Outfit', 'Poppins', system-ui, sans-serif;
    --font-body: 'Inter', 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* ── Radiuser ── */
    --radius-xs:  8px;
    --radius-sm:  14px;
    --radius-md:  22px;
    --radius-lg:  32px;
    --radius-xl:  50px;
    --radius-full: 9999px;

    /* ── Skygger (lys modus) ── */
    --shadow-xs: 0 1px 4px rgba(124, 58, 237, 0.06);
    --shadow-sm: 0 2px 12px rgba(124, 58, 237, 0.10);
    --shadow-md: 0 6px 24px rgba(124, 58, 237, 0.14);
    --shadow-lg: 0 12px 48px rgba(124, 58, 237, 0.20);
    --shadow-xl: 0 24px 80px rgba(124, 58, 237, 0.28);

    /* ── Neon glødeffekter ── */
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.5), 0 0 60px rgba(139, 92, 246, 0.2);
    --glow-gold:   0 0 20px rgba(251, 191, 36, 0.5), 0 0 60px rgba(251, 191, 36, 0.2);
    --glow-cyan:   0 0 20px rgba(6, 182, 212, 0.5),  0 0 60px rgba(6, 182, 212, 0.2);

    /* ── Blur-verdier ── */
    --blur-glass: blur(16px);
    --blur-heavy: blur(32px);

    /* ── Overganger ── */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s var(--ease-smooth);
    --transition-spring: 0.45s var(--ease-spring);
}

/* ==================== GLOBAL RESET ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* ==================== ANIMATED MESH BACKGROUND ==================== */

/* Lys variant (elev-sider) */
.bg-mesh-light {
    background:
        radial-gradient(ellipse 80% 50% at 10% -10%, hsl(258, 90%, 92%) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 100%, hsl(270, 85%, 93%) 0%, transparent 55%),
        radial-gradient(ellipse 50% 60% at 50% 50%, hsl(240, 80%, 95%) 0%, transparent 70%),
        hsl(258, 60%, 97%);
}

/* Mørk variant (lærer-dashboard) */
.bg-mesh-dark {
    background:
        radial-gradient(ellipse 70% 60% at 20% 0%, hsl(258, 80%, 25%) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 80% 100%, hsl(270, 90%, 22%) 0%, transparent 50%),
        radial-gradient(ellipse 40% 40% at 50% 50%, hsl(240, 70%, 18%) 0%, transparent 60%),
        hsl(258, 60%, 8%);
    color: var(--text-on-dark);
}

/* Animerte blobber */
.blob-bg {
    position: relative;
    overflow: hidden;
}

.blob-bg::before,
.blob-bg::after {
    content: '';
    position: absolute;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    filter: var(--blur-heavy);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

.blob-bg::before {
    top: -20%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--purple-400) 0%, transparent 65%);
    animation: blob-drift 25s ease-in-out infinite;
}

.blob-bg::after {
    bottom: -20%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 65%);
    animation: blob-drift 18s ease-in-out infinite reverse;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
}

@keyframes blob-drift {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    25%       { transform: translate(40px, -50px) rotate(90deg) scale(1.05); }
    50%       { transform: translate(-30px, 30px) rotate(180deg) scale(0.97); }
    75%       { transform: translate(20px, 50px) rotate(270deg) scale(1.03); }
}

/* Sørg for at innhold er over blobbene */
.blob-bg > * {
    position: relative;
    z-index: 1;
}

/* ==================== GLASSMORPHISM KORT ==================== */
.glass-card {
    background: var(--bg-surface);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(139, 92, 246, 0.35);
}

/* Dark variant (på mørk bakgrunn) */
.glass-card-dark {
    background: var(--glass-white);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
    color: var(--text-on-dark);
}

.glass-card-dark:hover {
    background: var(--glass-white-hover);
    transform: translateY(-6px);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.4), var(--glow-purple);
    border-color: rgba(139, 92, 246, 0.4);
}

/* Linje-aksent øverst på kort */
.glass-card::before,
.glass-card-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.5) 0%, rgba(99, 102, 241, 0.2) 50%, transparent 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-base);
}

.glass-card:hover::before,
.glass-card-dark:hover::before {
    opacity: 1;
}

/* Fargerike kort (fag-kort) */
.playful-card {
    background: var(--bg-surface);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.playful-card:hover {
    transform: translateY(-10px) rotate(0.5deg);
    box-shadow: var(--shadow-xl);
}

.playful-card.purple {
    background: linear-gradient(145deg, hsl(258, 80%, 48%) 0%, hsl(270, 85%, 55%) 100%);
    color: var(--text-on-dark);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg), var(--glow-purple);
}

.playful-card.purple:hover {
    box-shadow: var(--shadow-xl), 0 0 40px rgba(139, 92, 246, 0.5);
}

.playful-card.gold {
    background: linear-gradient(145deg, hsl(40, 90%, 52%) 0%, hsl(35, 95%, 45%) 100%);
    color: hsl(258, 60%, 15%);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lg), var(--glow-gold);
}

.playful-card.indigo {
    background: linear-gradient(145deg, hsl(240, 80%, 55%) 0%, hsl(250, 85%, 62%) 100%);
    color: var(--text-on-dark);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg), var(--glow-cyan);
}

/* Dekorasjoner */
.doodle {
    position: absolute;
    pointer-events: none;
    opacity: 0.15;
}

.doodle-star  { font-size: 26px; top: 12px; right: 14px; animation: spin-slow 12s linear infinite; }
.doodle-arrow { font-size: 34px; bottom: 12px; left: 14px; transform: rotate(-20deg); }

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ==================== KNAPPER ==================== */
.btn {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.01em;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-spring);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

/* Ripple-effekt */
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    opacity: 0;
    border-radius: inherit;
    transition: opacity 0.2s ease;
}

.btn:hover::after  { opacity: 1; }
.btn:active::after { opacity: 0; }

.btn:hover  { transform: translateY(-3px); }
.btn:active { transform: translateY(0) scale(0.98); }

/* Primær */
.btn-primary {
    background: linear-gradient(135deg, hsl(258, 80%, 52%) 0%, hsl(270, 85%, 60%) 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.55), var(--glow-purple);
}

/* Sekundær (outline) */
.btn-secondary {
    background: transparent;
    color: var(--purple-600);
    border: 2px solid var(--purple-400);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--purple-100);
    border-color: var(--purple-600);
    box-shadow: var(--shadow-sm);
}

/* Sekundær på mørk bakgrunn */
.btn-ghost {
    background: var(--glass-white);
    backdrop-filter: var(--blur-glass);
    color: #fff;
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: var(--glass-white-hover);
    border-color: rgba(255, 255, 255, 0.35);
}

/* Gull / Premium */
.btn-gold {
    background: linear-gradient(135deg, hsl(43, 95%, 55%) 0%, hsl(38, 100%, 50%) 100%);
    color: hsl(258, 60%, 15%);
    box-shadow: 0 4px 16px rgba(251, 191, 36, 0.4);
}

.btn-gold:hover {
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.55), var(--glow-gold);
}

/* Størrelsesvarianter */
.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 18px 40px; font-size: 17px; }

/* ==================== IKONER ==================== */
.icon-large {
    font-size: 72px;
    margin-bottom: 20px;
    filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.15));
    animation: float-icon 4s ease-in-out infinite;
}

@keyframes float-icon {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-8px); }
}

/* ==================== HERO / HEADER ==================== */
.hero-section {
    text-align: center;
    padding: 80px 24px 60px;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, hsl(258, 85%, 38%) 0%, transparent 65%),
        linear-gradient(170deg, hsl(258, 80%, 14%) 0%, hsl(258, 70%, 8%) 100%);
    color: var(--text-on-dark);
    border-radius: 0 0 60px 60px;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    background: linear-gradient(135deg, #fff 0%, hsl(270, 100%, 85%) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    text-shadow: none;
}

.hero-section p {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-on-dark-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* ==================== PROGRESS BAR ==================== */
.progress-container {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    padding: 6px;
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.progress-boxes {
    display: flex;
    gap: 6px;
}

.progress-box {
    flex: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    transition: all 0.4s var(--ease-spring);
}

.progress-box.filled {
    background: linear-gradient(90deg, var(--accent-gold) 0%, hsl(38, 100%, 62%) 100%);
    box-shadow: var(--glow-gold);
    animation: pulse-fill 0.5s var(--ease-spring);
}

@keyframes pulse-fill {
    0%   { transform: scale(0.8); opacity: 0.5; }
    60%  { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

/* ==================== FORMS & INPUTS ==================== */
.input-field {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid hsl(258, 40%, 88%);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    transition: var(--transition-base);
    box-shadow: inset 0 2px 6px rgba(124, 58, 237, 0.04);
    outline: none;
}

.input-field:focus {
    border-color: var(--purple-500);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.18), inset 0 2px 6px rgba(124, 58, 237, 0.04);
}

.input-field::placeholder {
    color: var(--text-muted);
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

/* ==================== BADGES & CHIPS ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.badge-purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--purple-600);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-gold {
    background: rgba(251, 191, 36, 0.15);
    color: hsl(38, 90%, 40%);
    border: 1px solid rgba(251, 191, 36, 0.4);
}

.badge-success {
    background: rgba(16, 185, 129, 0.12);
    color: hsl(162, 80%, 32%);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==================== STAT CARDS ==================== */
.stat-card {
    background: var(--bg-surface);
    backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: var(--transition-spring);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--purple-600) 0%, var(--accent-violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ==================== WAVE DIVIDER ==================== */
.wave-divider {
    width: 100%;
    height: 80px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M321.39 56.44c58-10.79 114.16-30.13 172-41.86 82.39-16.72 168.19-17.73 250.45-.39C823.78 31 906.67 72 985.66 92.83c70.05 18.48 146.53 26.09 214.34 3V0H0v27.35a600.21 600.21 0 00321.39 29.09z' fill='%23F5F3FF'/%3E%3C/svg%3E") no-repeat;
    background-size: cover;
}

/* ==================== TOASTS / FEEDBACK ==================== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    z-index: 9999;
    backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    animation: toast-in 0.4s var(--ease-spring);
    box-shadow: var(--shadow-lg);
}

.toast-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    color: hsl(162, 80%, 32%);
}

.toast-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.35);
    color: hsl(0, 75%, 40%);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(60px) scale(0.9); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

/* ==================== LOADING SPINNER ==================== */
.spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 4px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--purple-500);
    animation: spin 0.8s linear infinite;
}

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

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.55);
}

.landing-eyebrow {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--purple-600);
    margin-bottom: 16px;
    display: inline-block;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 20px 48px;
        border-radius: 0 0 40px 40px;
    }

    .glass-card,
    .glass-card-dark,
    .playful-card {
        padding: 22px;
    }

    .btn { font-size: 14px; padding: 12px 22px; }
    .btn-lg { padding: 15px 28px; font-size: 15px; }

    .icon-large { font-size: 56px; }

    .stat-value { font-size: 32px; }
}

@media (max-width: 480px) {
    .toast { right: 12px; left: 12px; }
}