/* ═══════════════════════════════════════════════════════════════
   FZ TIERS — Design System v3
   Clean, professional, dark. No cheap glows.
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;1,14..32,400&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');
/* ─── DESIGN TOKENS ─────────────────────────────────────────── */

:root {
    /* Backgrounds — true dark, not purple-tinted */
    --bg-base: #0c0c0e;
    --bg-surface: #111114;
    --bg-card: #18181c;
    --bg-card-hover: #1e1e24;
    --bg-elevated: #222228;
    /* Borders — very subtle */
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(99, 102, 241, 0.35);
    /* Accent — indigo, not neon purple */
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-dim: rgba(99, 102, 241, 0.12);
    --accent-glow: rgba(99, 102, 241, 0.2);
    /* Text */
    --text-primary: #ededf0;
    --text-secondary: #7c7c8a;
    --text-muted: #44444f;
    /* Tier colors — kept, they're functional */
    --gold: #f5c842;
    --silver: #a8b2c0;
    --bronze: #c87941;
    /* Semantic */
    --green: #22c55e;
    --red: #ef4444;
    --blue: #3b82f6;
    /* Typography */
    --font-ui: 'Inter', system-ui, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    /* Radii */
    --r-xs: 4px;
    --r-sm: 8px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-xl: 20px;
    --r-full: 9999px;
    /* Shadows — elevation, not glow */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
    /* Transitions */
    --t: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* Legacy aliases — keep old code working */
    --radius-xs: var(--r-xs);
    --radius-sm: var(--r-sm);
    --radius-md: var(--r-md);
    --radius-lg: var(--r-lg);
    --radius-xl: var(--r-xl);
    --radius-full: var(--r-full);
    --transition: var(--t);
    --transition-slow: var(--t-slow);
    --violet-500: var(--accent);
    --violet-400: var(--accent-hover);
    --purple-300: #a5b4fc;
    --purple-400: var(--accent-hover);
    --purple-500: var(--accent);
    --purple-700: #312e81;
    --gold-400: var(--gold);
    --gold-300: #fde68a;
    --silver-400: var(--silver);
    --bronze-400: var(--bronze);
    --border-purple: var(--border-accent);
    --border-hover: rgba(99, 102, 241, 0.5);
    --bg-base: #0c0c0e;
    --glow-purple: 0 0 0 1px var(--border-accent);
    --glow-gold: 0 0 0 1px rgba(245, 200, 66, 0.3);
}

/* ─── RESET ─────────────────────────────────────────────────── */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-ui);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Single very subtle noise texture — no glows, no grids */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 1;
}

/* ─── SCROLLBAR ─────────────────────────────────────────────── */

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* ─── TYPOGRAPHY ────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    cursor: pointer;
    font-family: var(--font-ui);
}

/* ─── LAYOUT ────────────────────────────────────────────────── */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-sm {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── CARDS ─────────────────────────────────────────────────── */

.card,
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: border-color var(--t), background var(--t);
}

.card:hover,
.glass-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
}

/* ─── BUTTONS ───────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--r-sm);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    transition: var(--t);
    white-space: nowrap;
    cursor: pointer;
    letter-spacing: 0.01em;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 0 0 transparent;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-weight: 500;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-discord {
    background: #5865F2;
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-discord:hover {
    background: #4752c4;
    box-shadow: var(--shadow-md);
}

.btn-gold {
    background: var(--gold);
    color: #1a1200;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.btn-gold:hover {
    background: #f0c030;
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.18);
    border-color: rgba(239, 68, 68, 0.35);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 0.95rem;
}

.btn-xl {
    padding: 14px 36px;
    font-size: 1rem;
}

/* ─── TIER BADGES ───────────────────────────────────────────── */

.tier-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    border-radius: var(--r-xs);
    letter-spacing: 0.04em;
    white-space: nowrap;
    font-size: 0.72rem;
}

.tier-badge.sm {
    padding: 2px 6px;
    font-size: 0.65rem;
}

.tier-badge.md {
    padding: 3px 9px;
    font-size: 0.75rem;
}

.tier-badge.lg {
    padding: 5px 12px;
    font-size: 0.85rem;
}

.tier-badge.xl {
    padding: 7px 18px;
    font-size: 1rem;
}

/* Tier colors — clean, no box-shadows */

.tier-ht1 {
    background: #0e3a4a;
    color: #67e8f9;
    border: 1px solid rgba(103, 232, 249, 0.25);
}

.tier-lt1 {
    background: #1e3a5f;
    color: #93c5fd;
    border: 1px solid rgba(147, 197, 253, 0.2);
}

.tier-ht2 {
    background: #0d3326;
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.tier-lt2 {
    background: #0d2e2e;
    color: #2dd4bf;
    border: 1px solid rgba(45, 212, 191, 0.2);
}

.tier-ht3 {
    background: #3a2800;
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.tier-lt3 {
    background: #2e2200;
    color: #fde047;
    border: 1px solid rgba(253, 224, 71, 0.2);
}

.tier-ht4 {
    background: #1e2530;
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.tier-lt4 {
    background: #1a1f28;
    color: #64748b;
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.tier-ht5 {
    background: #2a1a0e;
    color: #fb923c;
    border: 1px solid rgba(251, 146, 60, 0.2);
}

.tier-lt5 {
    background: #1e1c1a;
    color: #78716c;
    border: 1px solid rgba(120, 113, 108, 0.2);
}

/* ─── CHIPS ─────────────────────────────────────────────────── */

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--r-full);
    font-size: 0.7rem;
    font-weight: 500;
}

.chip-purple {
    background: var(--accent-dim);
    color: var(--accent-hover);
    border: 1px solid var(--border-accent);
}

.chip-green {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.chip-red {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.chip-gold {
    background: rgba(245, 200, 66, 0.1);
    color: var(--gold);
    border: 1px solid rgba(245, 200, 66, 0.2);
}

/* ─── SECTION ───────────────────────────────────────────────── */

.section {
    padding: 72px 0;
    position: relative;
    z-index: 1;
}

.section-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-hover);
    margin-bottom: 8px;
}

.section-title {
    font-size: clamp(1.5rem, 2.8vw, 2rem);
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 36px;
    line-height: 1.6;
}

.section-header {
    margin-bottom: 28px;
}

.divider {
    height: 1px;
    background: var(--border);
}

/* ─── TEXT UTILITIES ────────────────────────────────────────── */

.text-gold {
    color: #f5c842;
}

.text-accent {
    color: var(--accent-hover);
}

.text-gold-shimmer {
    color: var(--gold);
}

/* ─── SKELETON ──────────────────────────────────────────────── */

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-elevated) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.6s ease infinite;
    border-radius: var(--r-sm);
}

@keyframes skeleton-pulse {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ─── ANIMATIONS ────────────────────────────────────────────── */

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes gradient-drift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse-dot {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* ─── FORMS ─────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    padding: 9px 13px;
    transition: border-color var(--t), box-shadow var(--t);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

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

.form-select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* ─── TABLES ────────────────────────────────────────────────── */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--t);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ─── TOAST ─────────────────────────────────────────────────── */

#toast-container {
    position: fixed;
    top: 76px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    padding: 11px 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
    animation: fade-up 0.2s ease;
    max-width: 280px;
    display: flex;
    align-items: center;
    gap: 9px;
    box-shadow: var(--shadow-md);
}

.toast.success {
    border-color: rgba(34, 197, 94, 0.3);
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.3);
}

/* ─── MODAL ─────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fade-up 0.18s ease;
}

.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    padding: 28px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    line-height: 1;
    padding: 4px;
    transition: color var(--t);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* ─── MODE ICONS ────────────────────────────────────────────── */

.mode-img-icon {
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ─── PARTICLES (disabled) ───────────── */

#particles-canvas {
    display: none;
}

/* ─── RESPONSIVE ────────────────────────────────────────────── */

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .section {
        padding: 52px 0;
    }
    .modal {
        padding: 20px;
    }
}
