/* ╔═══════════════════════════════════════════════════════════╗
   ║        SETWEB Academy — Design System (MVP V1)          ║
   ║     Dark Theme · Glassmorphism · Teal/Cyan Accents      ║
   ╚═══════════════════════════════════════════════════════════╝ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
    /* 1. Backgrounds */
    --acad-bg-primary: #07080c;
    --acad-bg-secondary: #14151a;
    --acad-bg-elevated: #14151a;
    --acad-bg-card: rgba(20, 21, 26, 0.6);
    --acad-bg-input: rgba(255, 255, 255, 0.03);
    --acad-bg-overlay: rgba(7, 8, 12, 0.9);

    /* 2. Text */
    --acad-text-primary: #ffffff;
    --acad-text-secondary: #9ca3b0;
    --acad-text-muted: #5e6577;
    --acad-text-inverse: #ffffff;

    /* 3. Accents (Orange) */
    --acad-accent: #ff7a00;
    --acad-accent-hover: #ff8c1a;
    --acad-accent-deep: #ff4500;
    --acad-accent-glow: rgba(255, 122, 0, 0.35);
    --acad-accent-subtle: rgba(255, 122, 0, 0.1);
    --acad-accent-border: rgba(255, 122, 0, 0.25);
    --acad-accent-faint: var(--acad-accent-faint);

    /* Secondary Accent (Teal) */
    --acad-teal: #00c896;
    --acad-teal-glow: rgba(0, 200, 150, 0.3);
    --acad-teal-subtle: rgba(0, 200, 150, 0.08);

    /* 4. Borders & Glass */
    --acad-glass-bg: rgba(255, 255, 255, 0.02);
    --acad-glass-bg-hover: rgba(255, 255, 255, 0.04);
    --acad-glass-border: rgba(255, 255, 255, 0.05);
    --acad-glass-border-hover: rgba(255, 122, 0, 0.3);
    --acad-glass-shine: var(--acad-glass-shine);
    --acad-glass-glare: rgba(255, 255, 255, 0.3);
    --acad-glass-grid: rgba(255, 255, 255, 0.015);

    /* 5. Status Colors */
    --acad-success: #22c55e;
    --acad-success-bg: rgba(34, 197, 94, 0.1);
    --acad-success-border: rgba(34, 197, 94, 0.2);
    
    --acad-warning: #f59e0b;
    --acad-warning-bg: rgba(245, 158, 11, 0.1);
    --acad-warning-border: rgba(245, 158, 11, 0.2);
    
    --acad-error: #ef4444;
    --acad-error-bg: rgba(239, 68, 68, 0.1);
    --acad-error-border: rgba(239, 68, 68, 0.2);
    
    --acad-info: #3b82f6;
    --acad-info-bg: rgba(59, 130, 246, 0.1);
    --acad-info-border: rgba(59, 130, 246, 0.2);

    --acad-locked-bg: rgba(94, 101, 119, 0.1);
    --acad-locked-border: rgba(94, 101, 119, 0.2);

    /* Toasts Backgrounds */
    --acad-toast-success-bg: rgba(34, 197, 94, 0.15);
    --acad-toast-success-border: rgba(34, 197, 94, 0.25);
    --acad-toast-error-bg: rgba(239, 68, 68, 0.15);
    --acad-toast-error-border: rgba(239, 68, 68, 0.25);
    --acad-toast-info-bg: rgba(59, 130, 246, 0.15);
    --acad-toast-info-border: rgba(59, 130, 246, 0.25);
    --acad-toast-warning-bg: rgba(245, 158, 11, 0.15);
    --acad-toast-warning-border: rgba(245, 158, 11, 0.25);

    /* Spacing */
    --acad-space-xs: 4px;
    --acad-space-sm: 8px;
    --acad-space-md: 16px;
    --acad-space-lg: 24px;
    --acad-space-xl: 32px;
    --acad-space-2xl: 48px;
    --acad-space-3xl: 64px;

    /* Border Radius */
    --acad-radius-sm: 8px;
    --acad-radius-md: 12px;
    --acad-radius-lg: 16px;
    --acad-radius-xl: 20px;
    --acad-radius-2xl: 24px;
    --acad-radius-full: 9999px;

    /* Typography */
    --acad-font: 'Tajawal', sans-serif;
    --acad-font-xs: 0.75rem;
    --acad-font-sm: 0.875rem;
    --acad-font-base: 1rem;
    --acad-font-lg: 1.125rem;
    --acad-font-xl: 1.25rem;
    --acad-font-2xl: 1.5rem;
    --acad-font-3xl: 2rem;
    --acad-font-4xl: 2.5rem;

    /* Transitions */
    --acad-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --acad-transition-fast: all 0.15s ease;

    /* Shadows */
    --acad-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --acad-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --acad-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --acad-shadow-glow: 0 0 20px var(--acad-accent-glow);

    /* Layout */
    --acad-max-width: 1200px;
    --acad-header-height: 72px;
    --acad-sidebar-width: 260px;
}

/* ── Reset (scoped to .academy) ───────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--acad-font);
    color: var(--acad-text-primary);
    line-height: 1.6;
    background: var(--acad-bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Background Effects ───────────────────────────────────── */
.acad-bg-effects {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.acad-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    animation: acad-float 25s infinite ease-in-out alternate;
}

.acad-bg-orb--teal {
    width: 500px; height: 500px;
    background: var(--acad-accent); /* Now Orange */
    top: -150px; right: -100px;
}

.acad-bg-orb--cyan {
    width: 350px; height: 350px;
    background: var(--acad-accent-deep); /* Deep orange/red for depth */
    bottom: -100px; left: -80px;
    animation-delay: -8s;
}

.acad-bg-orb--orange {
    width: 280px; height: 280px;
    background: var(--acad-teal); /* Use teal here for subtle contrast */
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.04;
    animation-delay: -15s;
}

/* Arabic Matrix Background — Lightweight */
.ar-matrix {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    grid-auto-rows: 80px;
    font-size: 24px;
    color: rgba(255, 122, 0, 0.13);
    font-family: 'Tajawal', sans-serif;
    align-content: start;
    z-index: -2;
    pointer-events: none;
    user-select: none;
    contain: strict;
}

.ar-matrix > span {
    text-align: center;
    line-height: 80px;
    will-change: opacity, color;
}

.ar-matrix > span:nth-child(17n + 3) {
    animation: ar-glow 4s ease-in-out infinite 0.3s;
}
.ar-matrix > span:nth-child(31n + 7) {
    animation: ar-glow 5.5s ease-in-out infinite 1.2s;
}
.ar-matrix > span:nth-child(43n + 11) {
    animation: ar-glow 4.5s ease-in-out infinite 2s;
}
.ar-matrix > span:nth-child(23n) {
    animation: ar-glow 6s ease-in-out infinite 0.8s;
}

@keyframes ar-glow {
    0%, 100% {
        color: rgba(255, 122, 0, 0.13);
        text-shadow: none;
    }
    40% {
        color: rgba(255, 160, 80, 0.6);
        text-shadow: 0 0 8px rgba(255, 122, 0, 0.4);
    }
    60% {
        color: rgba(255, 220, 150, 0.85);
        text-shadow: 0 0 12px rgba(255, 180, 80, 0.6), 0 0 20px rgba(255, 122, 0, 0.3);
    }
}

@keyframes acad-float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 40px) scale(1.08); }
}

/* Subtle grid pattern overlay */
.acad-bg-grid {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--acad-glass-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--acad-glass-grid) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ── Typography ───────────────────────────────────────────── */
.acad-h1 {
    font-size: var(--acad-font-4xl);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.acad-h2 {
    font-size: var(--acad-font-3xl);
    font-weight: 800;
    line-height: 1.25;
}

.acad-h3 {
    font-size: var(--acad-font-2xl);
    font-weight: 700;
    line-height: 1.3;
}

.acad-h4 {
    font-size: var(--acad-font-xl);
    font-weight: 700;
    line-height: 1.4;
}

.acad-text { font-size: var(--acad-font-base); }
.acad-text-sm { font-size: var(--acad-font-sm); }
.acad-text-lg { font-size: var(--acad-font-lg); }

.acad-text-accent { color: var(--acad-accent); }
.acad-text-orange { color: var(--acad-accent); }
.acad-text-muted { color: var(--acad-text-inverse); }
.acad-text-dim { color: var(--acad-text-muted); }

.acad-glow-text {
    text-shadow: 0 0 20px var(--acad-accent-glow);
}

/* ── Layout ───────────────────────────────────────────────── */
.acad-container {
    width: 90%;
    max-width: var(--acad-max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.acad-section {
    padding: var(--acad-space-3xl) 0;
}

.acad-section-header {
    text-align: center;
    margin-bottom: var(--acad-space-2xl);
}

.acad-section-header p {
    color: var(--acad-text-inverse);
    font-size: var(--acad-font-lg);
    margin-top: var(--acad-space-sm);
}

/* ── Glass Card ───────────────────────────────────────────── */
.acad-glass {
    background: var(--acad-glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--acad-glass-border);
    border-radius: var(--acad-radius-xl);
    padding: var(--acad-space-xl);
    transition: var(--acad-transition);
    position: relative;
    overflow: hidden;
}

.acad-glass::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--acad-glass-shine), transparent);
}

.acad-glass:hover {
    border-color: var(--acad-glass-border-hover);
    background: var(--acad-glass-bg-hover);
    box-shadow: var(--acad-shadow-md), 0 0 25px var(--acad-accent-faint);
}

.acad-glass--static:hover {
    transform: none;
    box-shadow: none;
    background: var(--acad-glass-bg);
    border-color: var(--acad-glass-border);
}

.acad-glass--lift:hover {
    transform: translateY(-4px);
}

/* ── Buttons ──────────────────────────────────────────────── */
.acad-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--acad-space-sm);
    padding: 12px 28px;
    border-radius: var(--acad-radius-full);
    font-family: var(--acad-font);
    font-weight: 700;
    font-size: var(--acad-font-base);
    cursor: pointer;
    text-decoration: none;
    border: none;
    outline: none;
    transition: var(--acad-transition);
    position: relative;
    overflow: hidden;
}

.acad-btn--primary {
    background: linear-gradient(135deg, var(--acad-accent), var(--acad-accent-hover));
    color: var(--acad-text-primary); /* White text matching main site */
    box-shadow: 0 4px 15px var(--acad-accent-glow);
}

.acad-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--acad-accent-glow);
}

.acad-btn--secondary {
    background: var(--acad-accent-subtle);
    color: var(--acad-accent);
    border: 1px solid var(--acad-accent-border);
}

.acad-btn--secondary:hover {
    background: var(--acad-accent-subtle);
    border-color: var(--acad-accent);
}

.acad-btn--outline {
    background: transparent;
    color: var(--acad-text-primary);
    border: 1px solid var(--acad-glass-border);
}

.acad-btn--outline:hover {
    border-color: var(--acad-accent-border);
    background: var(--acad-accent-subtle);
}

.acad-btn--ghost {
    background: transparent;
    color: var(--acad-text-inverse);
    padding: 8px 16px;
}

.acad-btn--ghost:hover {
    color: var(--acad-accent);
    background: var(--acad-accent-subtle);
}

.acad-btn--sm { padding: 8px 20px; font-size: var(--acad-font-sm); }
.acad-btn--lg { padding: 16px 36px; font-size: var(--acad-font-lg); }
.acad-btn--full { width: 100%; }

.acad-btn--orange {
    background: linear-gradient(135deg, var(--acad-accent), #ff8c1a);
    color: var(--acad-text-primary);
    box-shadow: 0 4px 15px var(--acad-accent-glow);
}

.acad-btn--orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--acad-accent-glow);
}

/* ── Badges ───────────────────────────────────────────────── */
.acad-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: var(--acad-radius-full);
    font-size: var(--acad-font-xs);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.acad-badge--available {
    background: var(--acad-success-bg);
    color: var(--acad-success);
    border: 1px solid var(--acad-success-border);
}

.acad-badge--coming {
    background: var(--acad-warning-bg);
    color: var(--acad-warning);
    border: 1px solid var(--acad-warning-border);
}

.acad-badge--locked {
    background: var(--acad-locked-bg);
    color: var(--acad-text-muted);
    border: 1px solid var(--acad-locked-border);
}

.acad-badge--active {
    background: var(--acad-accent-subtle);
    color: var(--acad-accent);
    border: 1px solid var(--acad-accent-border);
}

/* ── Form Inputs ──────────────────────────────────────────── */
.acad-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--acad-space-xs);
}

.acad-label {
    font-size: var(--acad-font-sm);
    font-weight: 600;
    color: var(--acad-text-inverse);
}

.acad-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--acad-bg-input);
    border: 1px solid var(--acad-glass-border);
    border-radius: var(--acad-radius-md);
    color: var(--acad-text-primary);
    font-family: var(--acad-font);
    font-size: var(--acad-font-base);
    transition: var(--acad-transition);
    outline: none;
}

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

.acad-input:focus {
    border-color: var(--acad-accent);
    box-shadow: 0 0 0 3px var(--acad-accent-subtle);
}

.acad-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.acad-textarea {
    resize: vertical;
    min-height: 100px;
}

.acad-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3b0' d='M6 8.5L1 3.5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 14px center;
    padding-left: 36px;
}

/* ── Grid Utilities ───────────────────────────────────────── */
.acad-grid {
    display: grid;
    gap: var(--acad-space-lg);
}

.acad-grid--2 { grid-template-columns: repeat(2, 1fr); }
.acad-grid--3 { grid-template-columns: repeat(3, 1fr); }
.acad-grid--4 { grid-template-columns: repeat(4, 1fr); }
.acad-grid--auto { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ── Stat Cards ───────────────────────────────────────────── */
.acad-stat-card {
    padding: var(--acad-space-lg);
}

.acad-stat-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--acad-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: var(--acad-space-md);
    background: var(--acad-accent-subtle);
    color: var(--acad-accent);
}

.acad-stat-card__value {
    font-size: var(--acad-font-3xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--acad-space-xs);
}

.acad-stat-card__label {
    font-size: var(--acad-font-sm);
    color: var(--acad-text-inverse);
}

/* ── Progress Bar ─────────────────────────────────────────── */
.acad-progress {
    width: 100%;
    height: 8px;
    background: var(--acad-bg-input);
    border-radius: var(--acad-radius-full);
    overflow: hidden;
}

.acad-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--acad-accent), var(--acad-teal));
    border-radius: var(--acad-radius-full);
    transition: width 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}

.acad-progress__fill::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 20px; height: 100%;
    background: var(--acad-glass-glare);
    filter: blur(4px);
}

/* ── Level Card (Public) ──────────────────────────────────── */
.acad-level-card {
    display: flex;
    flex-direction: column;
    padding: var(--acad-space-xl);
    cursor: pointer;
}

.acad-level-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--acad-radius-lg);
    background: var(--acad-accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--acad-accent);
    margin-bottom: var(--acad-space-md);
}

.acad-level-card__title {
    font-size: var(--acad-font-xl);
    font-weight: 700;
    margin-bottom: var(--acad-space-sm);
}

.acad-level-card__desc {
    font-size: var(--acad-font-sm);
    color: var(--acad-text-inverse);
    flex: 1;
    margin-bottom: var(--acad-space-md);
}

.acad-level-card__meta {
    display: flex;
    align-items: center;
    gap: var(--acad-space-md);
    font-size: var(--acad-font-xs);
    color: var(--acad-text-muted);
    margin-bottom: var(--acad-space-md);
}

.acad-level-card__price {
    font-size: var(--acad-font-2xl);
    font-weight: 800;
    color: var(--acad-accent);
}

.acad-level-card__price span {
    font-size: var(--acad-font-sm);
    color: var(--acad-text-inverse);
    font-weight: 400;
}

/* ── Header (Public Academy) ──────────────────────────────── */
.acad-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--acad-header-height);
    z-index: 100;
    display: flex;
    align-items: center;
    transition: var(--acad-transition);
}

.acad-header.scrolled {
    background: var(--acad-bg-overlay);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--acad-glass-border);
}

.acad-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: var(--acad-max-width);
    margin: 0 auto;
}

.acad-header__logo {
    height: 42px;
    width: auto;
}

.acad-header__nav {
    display: flex;
    align-items: center;
    gap: var(--acad-space-lg);
}

.acad-header__link {
    color: var(--acad-text-inverse);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--acad-font-sm);
    transition: var(--acad-transition);
    position: relative;
}

.acad-header__link:hover,
.acad-header__link.active {
    color: var(--acad-accent);
}

.acad-header__link.active::after {
    content: '';
    position: absolute;
    bottom: -4px; right: 0;
    width: 100%; height: 2px;
    background: var(--acad-accent);
    border-radius: 1px;
}

/* ── Toast Notifications ──────────────────────────────────── */
.acad-toast-container {
    position: fixed;
    top: var(--acad-space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--acad-space-sm);
}

.acad-toast {
    padding: 14px 24px;
    border-radius: var(--acad-radius-md);
    font-size: var(--acad-font-sm);
    font-weight: 600;
    backdrop-filter: blur(16px);
    animation: acad-toast-in 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--acad-space-sm);
}

.acad-toast--success { background: var(--acad-toast-success-bg); color: var(--acad-success); border: 1px solid var(--acad-toast-success-border); }
.acad-toast--error   { background: var(--acad-toast-error-bg); color: var(--acad-error); border: 1px solid var(--acad-toast-error-border); }
.acad-toast--info    { background: var(--acad-toast-info-bg); color: var(--acad-info); border: 1px solid var(--acad-toast-info-border); }
.acad-toast--warning { background: var(--acad-toast-warning-bg); color: var(--acad-warning); border: 1px solid var(--acad-toast-warning-border); }

@keyframes acad-toast-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Loading Skeleton ─────────────────────────────────────── */
.acad-skeleton {
    background: linear-gradient(90deg, var(--acad-bg-card) 25%, var(--acad-bg-elevated) 50%, var(--acad-bg-card) 75%);
    background-size: 200% 100%;
    animation: acad-shimmer 1.5s infinite;
    border-radius: var(--acad-radius-sm);
}

@keyframes acad-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Empty State ──────────────────────────────────────────── */
.acad-empty {
    text-align: center;
    padding: var(--acad-space-3xl) var(--acad-space-lg);
}

.acad-empty__icon {
    font-size: 3rem;
    color: var(--acad-text-muted);
    margin-bottom: var(--acad-space-md);
}

.acad-empty__text {
    color: var(--acad-text-inverse);
}

/* ── Utility Classes ──────────────────────────────────────── */
.acad-hidden { display: none !important; }
.acad-flex { display: flex; }
.acad-flex-col { flex-direction: column; }
.acad-items-center { align-items: center; }
.acad-justify-between { justify-content: space-between; }
.acad-gap-sm { gap: var(--acad-space-sm); }
.acad-gap-md { gap: var(--acad-space-md); }
.acad-gap-lg { gap: var(--acad-space-lg); }
.acad-text-center { text-align: center; }
.acad-text-right { text-align: right; }
.acad-mt-sm { margin-top: var(--acad-space-sm); }
.acad-mt-md { margin-top: var(--acad-space-md); }
.acad-mt-lg { margin-top: var(--acad-space-lg); }
.acad-mt-xl { margin-top: var(--acad-space-xl); }
.acad-mb-md { margin-bottom: var(--acad-space-md); }
.acad-mb-lg { margin-bottom: var(--acad-space-lg); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .acad-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .acad-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root {
        --acad-font-4xl: 2rem;
        --acad-font-3xl: 1.5rem;
        --acad-font-2xl: 1.25rem;
        --acad-space-3xl: 48px;
    }

    .acad-grid--2,
    .acad-grid--3,
    .acad-grid--4,
    .acad-grid--auto { grid-template-columns: 1fr; }

    .acad-header__nav { display: none; }

    .acad-container { width: 92%; }
}

@media (max-width: 480px) {
    :root {
        --acad-font-4xl: 1.75rem;
        --acad-font-3xl: 1.35rem;
    }
}