/**
 * e-Chapas Design System — Tokens
 * Referência oficial: design/referencias/login_echapas_refinado.html
 * Não alterar valores sem atualizar a referência e DESIGN_SYSTEM.md
 */
:root {
  /* Navy scale */
  --ec-n950: #061d34;
  --ec-n900: #0a2948;
  --ec-n800: #123f6c;
  --ec-blue: #15558d;
  --ec-blue-deep: #0b4479;
  --ec-blue-btn-from: #073866;
  --ec-blue-btn-to: #0c568f;
  --ec-blue-focus: #2b71ad;
  --ec-blue-node: #103d68;
  --ec-blue-node-hover: #17558d;

  /* Accent */
  --ec-red: #ef4d55;
  --ec-red-bright: #ff5f61;
  --ec-red-soft: #ff7a7a;
  --ec-success: #55e6a5;
  --ec-gold: #c69a3a;

  /* Surfaces — dark (institutional panel) */
  --ec-text-on-dark: #eef6ff;
  --ec-muted-on-dark: #bdd0e3;
  --ec-line-on-dark: rgba(255, 255, 255, 0.15);
  --ec-glass: rgba(255, 255, 255, 0.075);
  --ec-glass-strong: rgba(255, 255, 255, 0.09);
  --ec-glass-border: rgba(255, 255, 255, 0.14);
  --ec-flow-line: rgba(147, 197, 253, 0.55);
  --ec-step-text: #d6e6f5;
  --ec-flow-title: #a8cbef;

  /* Surfaces — light (app shell) */
  --ec-bg-app: #f5f8fb;
  --ec-bg-muted: #f8fafc;
  --ec-bg-subtle: #eef3f7;
  --ec-surface: rgba(255, 255, 255, 0.96);
  --ec-surface-solid: #ffffff;
  --ec-text: #102a44;
  --ec-text-strong: #063a70;
  --ec-muted: #6f8295;
  --ec-muted-2: #67798c;
  --ec-border: #dce6ef;
  --ec-border-input: #cad8e5;
  --ec-border-light: #e2e9ef;
  --ec-link: #0c4f89;

  /* Typography */
  --ec-font: Inter, "Segoe UI", Arial, sans-serif;
  --ec-fs-xs: 11px;
  --ec-fs-sm: 12px;
  --ec-fs-base: 14px;
  --ec-fs-md: 15px;
  --ec-fs-lg: 16px;
  --ec-fs-xl: 26px;
  --ec-fs-2xl: 29px;
  --ec-fs-display: clamp(42px, 5vw, 68px);
  --ec-lh-tight: 1.02;
  --ec-lh-normal: 1.45;
  --ec-ls-tight: -0.02em;
  --ec-ls-display: -0.06em;
  --ec-ls-caps: 0.11em;

  /* Spacing */
  --ec-space-1: 4px;
  --ec-space-2: 8px;
  --ec-space-3: 12px;
  --ec-space-4: 16px;
  --ec-space-5: 20px;
  --ec-space-6: 24px;
  --ec-space-7: 28px;
  --ec-space-8: 34px;

  /* Radius */
  --ec-radius-sm: 8px;
  --ec-radius-md: 11px;
  --ec-radius-lg: 16px;
  --ec-radius-xl: 18px;
  --ec-radius-2xl: 22px;
  --ec-radius-pill: 999px;

  /* Shadows */
  --ec-shadow-sm: 0 6px 15px rgba(11, 68, 121, 0.18);
  --ec-shadow-md: 0 12px 26px rgba(7, 56, 102, 0.2);
  --ec-shadow-lg: 0 22px 65px rgba(0, 0, 0, 0.25);
  --ec-shadow-card: 0 26px 70px rgba(19, 48, 75, 0.16);
  --ec-shadow-card-hover: 0 16px 28px rgba(7, 56, 102, 0.26);
  --ec-shadow-logo: 0 14px 32px rgba(0, 0, 0, 0.22);

  /* Motion */
  --ec-ease: ease;
  --ec-duration: 0.22s;
  --ec-duration-slow: 0.24s;

  /* Semantic — status */
  --ec-success-bg: #ecfdf3;
  --ec-success-text: #16794b;
  --ec-warning-bg: #fff7e7;
  --ec-warning-border: #c99220;
  --ec-danger-bg: #fff0ef;
  --ec-danger-text: #b42318;
  --ec-info-bg: #eef5fb;
  --ec-info-border: var(--ec-blue-deep);
}