/* ============================================================
   EpexMonitor — Design tokens  ·  "Nexus" visual direction
   Violet primary + teal accent on cool near-white neutrals.
   Source: EpexMonitor Design System.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* --- Brand: violet ---------------------------------------- */
  --violet-50:  #f2effe;
  --violet-100: #e7e1fd;
  --violet-200: #cdc1fb;
  --violet-300: #ae9cf8;
  --violet-400: #9079f4;
  --violet-500: #7c5cfc;
  --violet-600: #6d4df2;
  --violet-700: #5a3cd6;
  --violet-800: #44299e;
  --violet-900: #2c1a6b;

  /* --- Accent: teal ----------------------------------------- */
  --teal-50:  #e6faf8;
  --teal-100: #c4f3ee;
  --teal-300: #6fe3d8;
  --teal-500: #1fd0c3;
  --teal-600: #12b3a7;
  --teal-700: #0e8f86;

  /* --- Neutral ramp ------------------------------------------ */
  --gray-0:   #ffffff;
  --gray-50:  #f6f7fb;
  --gray-100: #f0f1f7;
  --gray-200: #e8eaf1;
  --gray-300: #dfe1ec;
  --gray-400: #c5c8d6;
  --gray-500: #9a9db2;
  --gray-600: #6b7088;
  --gray-700: #4b4f66;
  --gray-800: #2c2f45;
  --gray-900: #15172b;

  /* --- Delta / status semantics ------------------------------ */
  --signal-down:      #17b26a;
  --signal-down-soft: #dcfae9;
  --signal-up:        #f04438;
  --signal-up-soft:   #fee4e2;
  --signal-flat:      #6b7088;
  --signal-flat-soft: #e8eaf1;
  --signal-peak:      #ffb020;
  --signal-peak-soft: #fff2d6;

  --success:      var(--signal-down);
  --success-soft: var(--signal-down-soft);
  --danger:       var(--signal-up);
  --danger-soft:  var(--signal-up-soft);

  /* --- Categorical / season palette --------------------------- */
  --season-winter: #6d4df2;
  --season-spring: #1fd0c3;
  --season-summer: #ffb020;
  --season-autumn: #fb7185;

  /* --- Gradients ----------------------------------------------- */
  --grad-brand:      linear-gradient(160deg, #8a6ff4 0%, #6d4df2 100%);
  --grad-brand-bar:  linear-gradient(180deg, #9079f4 0%, #6d4df2 100%);
  --grad-brand-teal: linear-gradient(135deg, #7c5cfc 0%, #1fd0c3 100%);

  /* --- Semantic aliases ----------------------------------------- */
  --text-strong:   var(--gray-900);
  --text-body:     var(--gray-700);
  --text-muted:    var(--gray-600);
  --text-faint:    var(--gray-500);
  --text-on-brand: #ffffff;
  --text-link:     var(--violet-600);

  --surface-page:   var(--gray-50);
  --surface-card:   var(--gray-0);
  --surface-sunken: var(--gray-100);
  --surface-hover:  var(--gray-100);

  --brand:        var(--violet-600);
  --brand-strong: var(--violet-700);
  --brand-tint:   var(--violet-50);
  --accent:       var(--teal-500);

  --border:        var(--gray-200);
  --border-strong: var(--gray-300);
  --border-subtle: var(--gray-100);

  --focus-ring: var(--violet-400);

  /* --- Typography ------------------------------------------------ */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto,
               Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo,
               Consolas, monospace;
  --font-numeric: var(--font-sans);

  --text-2xs: 0.6875rem;
  --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;
  --text-4xl: 3rem;
  --text-5xl: 3.75rem;

  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;
  --weight-extra:   800;

  --leading-tight:  1.15;
  --leading-snug:   1.3;
  --leading-normal: 1.5;
  --leading-relaxed:1.65;

  --tracking-tight:  -0.02em;
  --tracking-normal: 0;
  --tracking-wide:   0.04em;
  --tracking-caps:   0.08em;

  /* --- Spacing ----------------------------------------------------- */
  --space-0:  0;
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4rem;
  --space-9:  6rem;

  --container-max: 1140px;
  --container-wide: 1320px;
  --gutter: 1.5rem;

  --control-sm: 31px;
  --control-md: 38px;
  --control-lg: 48px;

  /* --- Radius / border / shadow / motion --------------------------- */
  --radius-sm:   0.5rem;
  --radius-md:   0.625rem;
  --radius-lg:   1rem;
  --radius-xl:   1.25rem;
  --radius-pill: 999px;

  --border-width: 1px;
  --border-width-strong: 2px;
  --border-accent: 3px;

  --shadow-xs: 0 1px 2px rgba(20, 23, 43, 0.04);
  --shadow-sm: 0 2px 8px rgba(20, 23, 43, 0.05);
  --shadow-md: 0 8px 24px rgba(20, 23, 43, 0.07);
  --shadow-lg: 0 16px 40px rgba(20, 23, 43, 0.10);
  --shadow-focus: 0 0 0 4px rgba(124, 92, 252, 0.30);

  --ease-standard: cubic-bezier(0.2, 0, 0.2, 1);
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
}

.epex-tnum { font-variant-numeric: tabular-nums; }