/* 
 مدهوش v2 — Design tokens
 Single source of truth for color, type, motion, spacing.
 Loaded by every v2 page.
 */

:root {
 /* Neutrals — cosmic-tinted (cool undertone toward hue 250) */
 --n50: oklch(0.985 0.004 250);
 --n100: oklch(0.965 0.006 250);
 --n200: oklch(0.92 0.008 250);
 --n300: oklch(0.84 0.010 250);
 --n400: oklch(0.68 0.012 250);
 --n500: oklch(0.52 0.012 250);
 --n600: oklch(0.40 0.012 250);
 --n700: oklch(0.30 0.012 250);
 --n800: oklch(0.22 0.012 250);
 --n900: oklch(0.16 0.010 250);
 --n950: oklch(0.11 0.008 250);
 --n1000: oklch(0.07 0.006 250);

 /* Signature — Cosmic Orange */
 --sig: oklch(0.73 0.19 45);
 --sig-soft: oklch(0.80 0.13 50);
 --sig-strong: oklch(0.66 0.21 40);
 --sig-dim: oklch(0.45 0.13 42);
 --sig-glow: oklch(0.78 0.20 50);

 /* Tonal accents (replace per-card gradients) */
 --t-ember: oklch(0.62 0.16 35);
 --t-rose: oklch(0.58 0.18 12);
 --t-aqua: oklch(0.62 0.12 215);
 --t-indigo: oklch(0.42 0.14 280);
 --t-sage: oklch(0.60 0.09 145);
 --t-cocoa: oklch(0.40 0.06 50);

 /* Functional */
 --success: oklch(0.72 0.15 155);
 --danger: oklch(0.62 0.22 15);
 --info: oklch(0.70 0.13 240);
 --warning: oklch(0.78 0.16 85);

 /* Type */
 --font: 'Vazirmatn', system-ui, -apple-system, sans-serif;
 --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
 --text-xs: 0.6875rem;
 --text-sm: 0.8125rem;
 --text-base: 0.9375rem;
 --text-md: 1.0625rem;
 --text-lg: 1.25rem;
 --text-xl: 1.5rem;
 --text-2xl: 1.875rem;
 --text-3xl: 2.375rem;
 --text-4xl: 3rem;
 --text-5xl: 3.875rem;
 --text-6xl: 5rem;
 --text-7xl: 6.5rem;

 /* Spacing (4px base) */
 --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
 --s-5: 20px; --s-6: 24px; --s-8: 32px; --s-10: 40px;
 --s-12: 48px; --s-16: 64px; --s-20: 80px; --s-24: 96px; --s-32: 128px;

 /* Radius */
 --r-sm: 6px; --r: 12px; --r-md: 16px; --r-lg: 24px; --r-xl: 36px;
 --r-full: 9999px;

 /* Motion */
 --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
 --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
 --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
 --ease: cubic-bezier(0.4, 0, 0.2, 1);
 --dur-instant: 100ms;
 --dur-fast: 150ms;
 --dur-base: 220ms;
 --dur-slow: 320ms;

 /* Layout */
 --container-max: 1400px;
}

/* Theme: DARK (default visual hero) */
[data-theme="dark"] {
 color-scheme: dark;
 --bg: var(--n1000);
 --bg-surface: var(--n950);
 --bg-raised: var(--n900);
 --bg-overlay: color-mix(in oklch, var(--n1000) 78%, transparent);
 --fg: var(--n50);
 --fg-muted: var(--n300);
 --fg-subtle: var(--n500);
 --border: color-mix(in oklch, var(--n50) 7%, transparent);
 --border-strong: color-mix(in oklch, var(--n50) 16%, transparent);
 --accent: var(--sig);
 --accent-hover: var(--sig-strong);
 --on-accent: var(--n1000);
 --elev-1: 0 1px 2px color-mix(in oklch, black 30%, transparent);
 --elev-2: 0 6px 18px color-mix(in oklch, black 36%, transparent);
 --elev-3: 0 16px 40px color-mix(in oklch, black 44%, transparent);
}

/* Theme: LIGHT */
[data-theme="light"] {
 color-scheme: light;
 --bg: var(--n50);
 --bg-surface: #ffffff;
 --bg-raised: var(--n100);
 --bg-overlay: color-mix(in oklch, var(--n50) 82%, transparent);
 --fg: var(--n900);
 --fg-muted: var(--n600);
 --fg-subtle: var(--n500);
 --border: color-mix(in oklch, var(--n900) 8%, transparent);
 --border-strong: color-mix(in oklch, var(--n900) 18%, transparent);
 --accent: var(--sig-strong);
 --accent-hover: oklch(0.58 0.20 42);
 --on-accent: #ffffff;
 --elev-1: 0 1px 2px color-mix(in oklch, var(--n900) 8%, transparent);
 --elev-2: 0 8px 24px color-mix(in oklch, var(--n900) 10%, transparent);
 --elev-3: 0 20px 56px color-mix(in oklch, var(--n900) 14%, transparent);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
 font-family: var(--font);
 font-size: var(--text-base);
 line-height: 1.7;
 color: var(--fg);
 background: var(--bg);
 direction: rtl;
 min-height: 100vh;
 min-height: 100dvh;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 transition: background-color var(--dur-base) var(--ease),
 color var(--dur-base) var(--ease);
 position: relative;
}
/* Background mesh — softens dead flat color, gives "soul" without distracting */
body::before {
 content: ''; position: fixed; inset: 0; z-index: -10; pointer-events: none;
 background:
 radial-gradient(50% 60% at 85% 5%, color-mix(in oklch, var(--sig) 14%, transparent), transparent 70%),
 radial-gradient(55% 65% at 5% 35%, color-mix(in oklch, var(--t-indigo) 14%, transparent), transparent 70%),
 radial-gradient(45% 55% at 95% 70%, color-mix(in oklch, var(--t-rose) 8%, transparent), transparent 70%),
 radial-gradient(40% 50% at 30% 95%, color-mix(in oklch, var(--t-aqua) 8%, transparent), transparent 70%);
 opacity: 1;
 transition: opacity var(--dur-slow) var(--ease);
}
[data-theme="light"] body::before {
 background:
 radial-gradient(50% 60% at 85% 5%, color-mix(in oklch, var(--sig) 9%, transparent), transparent 70%),
 radial-gradient(55% 65% at 5% 35%, color-mix(in oklch, var(--t-indigo) 6%, transparent), transparent 70%),
 radial-gradient(45% 55% at 95% 70%, color-mix(in oklch, var(--t-rose) 4%, transparent), transparent 70%),
 radial-gradient(40% 50% at 30% 95%, color-mix(in oklch, var(--t-aqua) 5%, transparent), transparent 70%);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
img, video, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }

/* Scrollbar (subtle, themed) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
 background: var(--border-strong);
 border-radius: var(--r-full);
 border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--fg-subtle); }

/* Focus */
:focus-visible {
 outline: 2px solid var(--accent);
 outline-offset: 2px;
 border-radius: var(--r-sm);
}

/* Selection */
::selection { background: color-mix(in oklch, var(--accent) 35%, transparent); color: var(--fg); }

/* Container */
.container {
 width: 100%;
 max-width: var(--container-max);
 margin-inline: auto;
 padding-inline: 20px;
}
@media (min-width: 768px) { .container { padding-inline: 32px; } }
@media (min-width: 1024px) { .container { padding-inline: 48px; } }

/* Buttons */
.btn {
 display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
 height: 44px;
 padding-inline: var(--s-5);
 border-radius: var(--r-full);
 font-size: var(--text-sm);
 font-weight: 600;
 white-space: nowrap;
 border: 1px solid transparent;
 transition: background-color var(--dur-fast) var(--ease),
 border-color var(--dur-fast) var(--ease),
 color var(--dur-fast) var(--ease),
 transform var(--dur-instant) var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
 background: var(--bg-raised);
 color: var(--fg);
 border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--border-strong); background: var(--bg-surface); }
.btn-ghost { color: var(--fg-muted); }
.btn-ghost:hover { color: var(--fg); background: var(--bg-raised); }
.btn-lg { height: 52px; padding-inline: var(--s-6); font-size: var(--text-base); }
.btn-sm { height: 36px; padding-inline: var(--s-4); font-size: var(--text-xs); }
.btn .icon { width: 18px; height: 18px; flex: 0 0 18px; }

/* Tag / chip */
.chip {
 display: inline-flex; align-items: center; gap: 6px;
 height: 26px;
 padding-inline: var(--s-3);
 border-radius: var(--r-full);
 font-size: var(--text-xs);
 font-weight: 500;
 color: var(--fg-muted);
 background: var(--bg-raised);
 border: 1px solid var(--border);
}
.chip.accent {
 color: var(--accent);
 background: color-mix(in oklch, var(--accent) 12%, transparent);
 border-color: color-mix(in oklch, var(--accent) 28%, transparent);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
 *, *::before, *::after {
 animation-duration: 0.01ms !important;
 animation-iteration-count: 1 !important;
 transition-duration: 0.01ms !important;
 }
 .reveal { opacity: 1 !important; transform: none !important; }
}