/* =========================================================================
   app.css — design tokens + base/reset
   Material 3-inspired dark glassmorphic system
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');
/* display=block, not swap, deliberately — this is an icon font, so its
   "fallback" text during the swap period is the icon's literal name
   (e.g. "search", "menu") rendered as visible text, which is exactly the
   flash-of-icon-names issue reported. block hides the icon glyph
   entirely for a brief window instead, rather than showing readable
   fallback text the way swap correctly does for the actual text font
   above. */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block');

:root {
    color-scheme: dark;

    /* --- Accent (use sparingly — see spec) --- */
    --accent: #6366f1;
    --accent-hover: #7274f2;
    --accent-active: #4f52d6;
    --accent-glow: rgba(99, 102, 241, 0.35);
    --accent-soft: rgba(99, 102, 241, 0.12);

    /* --- Surfaces --- */
    --bg-base: #0a0a0f;
    --bg-elevated: #101018;
    --surface-glass: rgba(255, 255, 255, 0.04);
    --surface-glass-hover: rgba(255, 255, 255, 0.06);
    --surface-glass-active: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-strong: rgba(255, 255, 255, 0.14);

    /* --- Text --- */
    --text-primary: rgba(255, 255, 255, 0.94);
    --text-secondary: rgba(255, 255, 255, 0.64);
    --text-tertiary: rgba(255, 255, 255, 0.40);
    --text-on-accent: #ffffff;

    /* --- Status colors --- */
    --status-success: #22c55e;
    --status-success-bg: rgba(34, 197, 94, 0.12);
    --status-warning: #f59e0b;
    --status-warning-bg: rgba(245, 158, 11, 0.12);
    --status-danger: #ef4444;
    --status-danger-bg: rgba(239, 68, 68, 0.12);
    --status-pending: #94a3b8;
    --status-pending-bg: rgba(148, 163, 184, 0.12);
    --status-info: #38bdf8;
    --status-info-bg: rgba(56, 189, 248, 0.12);

    /* --- Radii --- */
    --radius-card: 28px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;

    /* --- Shadows --- */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.45);
    --shadow-glow-accent: 0 0 0 1px rgba(99, 102, 241, 0.4), 0 8px 24px rgba(99, 102, 241, 0.25);

    /* --- Spacing scale --- */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    /* --- Type scale --- */
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;
    --text-3xl: 2.25rem;

    /* --- Motion --- */
    --ease-standard: cubic-bezier(0.2, 0, 0, 1);
    --duration-fast: 150ms;
    --duration-base: 240ms;

    /* --- Layout --- */
    --sidebar-width: 264px;
    --topbar-height: 72px;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-base);
    min-height: 100vh;
    line-height: 1.5;
    position: relative;
    overflow-x: hidden;
}

/* Radial background glows — fixed, behind everything, non-interactive */
body::before,
body::after {
    content: '';
    position: fixed;
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
    filter: blur(80px);
}

body::before {
    width: 640px;
    height: 640px;
    top: -200px;
    left: -160px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

body::after {
    width: 560px;
    height: 560px;
    bottom: -180px;
    right: -140px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.55;
}

.app-shell,
.public-shell {
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-2);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }

p {
    margin: 0 0 var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
    color: var(--accent-hover);
}

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

.material-symbols-rounded {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
    line-height: 1;
}

/* Visible keyboard focus everywhere — never suppressed */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

::selection {
    background: var(--accent-soft);
    color: var(--text-primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}