/* ===================================
   Watchum design system — tokens (CCTV Brutalism)
   =================================== */

/* ── Fonts: Archivo Black (display) + JetBrains Mono (body/UI) ── */
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=JetBrains+Mono:wght@300;400;500;700&display=swap');

:root {
    /* ===== Core palette — CCTV Brutalism ===== */
    --core-black:      #000000;
    --core-bg:         #0a0a0f;   /* page background — near black */
    --core-card:       #161620;   /* card / surface */
    --core-elevated:   #1c1c2a;   /* elevated card */
    --core-border:     #2a2a38;   /* hairlines, dividers */
    --core-primary:    #2244cc;   /* electric ultramarine — CTAs, accents, glows */
    --core-primary-hi: #3355dd;   /* primary hover */
    --core-primary-lo: #1a36a8;   /* primary pressed */
    --core-foreground: #f5f5f8;   /* primary text */
    --core-muted:      #888898;   /* secondary text */
    --core-ember:      #d05530;   /* destructive / thermal accent */
    --white:           #ffffff;
    --white-80:        rgba(245, 245, 248, 0.80);
    --white-60:        rgba(245, 245, 248, 0.60);

    /* ===== Severity (functional metadata only) ===== */
    --severity-high: #ef4444;
    --severity-med:  #f59e0b;
    --severity-low:  #22c55e;

    /* ===== Semantic aliases (variable NAMES preserved so existing components inherit) ===== */
    --bg-app:                       var(--core-bg);
    --bg-card:                      var(--core-card);
    --bg-elevated:                  var(--core-elevated);
    --bg-hover:                     var(--core-elevated);
    --interactive-primary:          var(--core-primary);
    --interactive-primary-hover:    var(--core-primary-hi);
    --interactive-primary-pressed:  var(--core-primary-lo);
    --accent:                       var(--core-primary);
    --accent-soft:                  rgba(34, 68, 204, 0.45);
    --border-default:               var(--core-border);
    --text-primary:                 var(--core-foreground);
    --text-secondary:               var(--white-80);
    --text-muted:                   var(--core-muted);

    /* ===== Spacing — 4pt grid (unchanged) ===== */
    --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;

    /* ===== Radius — 0px everywhere (CCTV Brutalism) ===== */
    --radius-sm: 0px;
    --radius-md: 0px;
    --radius-lg: 0px;
    --radius-xl: 0px;

    /* ===== Shadows ===== */
    --shadow-card:     0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-elevated: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow:     0 0 24px rgba(34, 68, 204, 0.35);

    /* ===== Type ===== */
    --font-display: "Archivo Black", "Arial Black", system-ui, sans-serif;
    --font-body:    "JetBrains Mono", ui-monospace, monospace;
    --font-mono:    "JetBrains Mono", ui-monospace, monospace;

    /* ===== Layout ===== */
    --container-max: 1200px;
    --container-margin-d: 24px;
    --container-margin-t: 20px;
    --container-margin-m: 16px;
}

/* ===== Global base ===== */
html {
    background: var(--core-black);
    min-height: 100%;
}
body {
    margin: 0;
    padding: 0;
    background: var(--core-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }

/* ===== Type scale ===== */
.t-display { font-family: var(--font-display); font-weight: 400; font-size: 64px; letter-spacing: -0.02em; line-height: 0.95; text-transform: uppercase; }
.t-h1      { font-family: var(--font-display); font-weight: 400; font-size: 44px; letter-spacing: -0.01em; line-height: 1.05; text-transform: uppercase; }
.t-h2      { font-family: var(--font-display); font-weight: 400; font-size: 32px; line-height: 1.1;  text-transform: uppercase; }
.t-h3      { font-family: var(--font-display); font-weight: 400; font-size: 22px; line-height: 1.2;  text-transform: uppercase; }
.t-body-l  { font-family: var(--font-body);    font-weight: 400; font-size: 17px; line-height: 1.55; }
.t-body    { font-family: var(--font-body);    font-weight: 400; font-size: 15px; line-height: 1.55; }
.t-caption { font-family: var(--font-body);    font-weight: 500; font-size: 12px; line-height: 1.4;  letter-spacing: 0.04em; color: var(--text-muted); text-transform: uppercase; }
.t-cap-uc  { font-family: var(--font-body);    font-weight: 700; font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }

/* ===== CCTV Brutalism utility classes ===== */

/* Repeating CRT scanline overlay — pair on a position:relative parent */
.scanlines {
    position: relative;
}
.scanlines::after {
    content: "";
    position: absolute; inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        180deg,
        rgba(0, 0, 0, 0)   0px,
        rgba(0, 0, 0, 0)   2px,
        rgba(0, 0, 0, 0.18) 2px,
        rgba(0, 0, 0, 0.18) 3px
    );
    mix-blend-mode: multiply;
    z-index: 1;
}

/* 48px grid background — page-wide ambient pattern */
.grid-bg {
    background-image:
        linear-gradient(to right,  rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* Primary-colored text shadow */
.text-glow {
    text-shadow:
        0 0 12px rgba(34, 68, 204, 0.55),
        0 0 32px rgba(34, 68, 204, 0.35);
}

/* Subtle CRT flicker animation */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    9%       { opacity: 0.94; }
    10%      { opacity: 1; }
    63%      { opacity: 0.97; }
    64%      { opacity: 1; }
    72%      { opacity: 0.92; }
    73%      { opacity: 1; }
}
.flicker { animation: flicker 4.6s infinite; }

/* Horizontal scan line sweeping 8s loop */
@keyframes scan-sweep {
    0%   { transform: translateY(-100%); opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}
.scan-sweep { animation: scan-sweep 8s linear infinite; }

/* Blinking caret appended via ::after */
@keyframes caret-blink {
    0%, 49%  { opacity: 1; }
    50%, 100% { opacity: 0; }
}
.caret::after {
    content: "_";
    margin-left: 0.05em;
    color: var(--accent);
    animation: caret-blink 1s steps(1) infinite;
}

/* Convenience: switch to display font */
.font-display { font-family: var(--font-display); text-transform: uppercase; }
.font-mono    { font-family: var(--font-mono); }
