/* ============================================================
   IZZAT CRM — DESIGN TOKENS v2
   Light mode preto-e-branco minimalista
   Inspirado em Linear, Notion, Reportana, ActiveCampaign
   ============================================================ */

:root {
  /* ─── SPACING (base 4px) ─────────────────────────────── */
  --sp-0: 0;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* ─── TYPOGRAPHY ─────────────────────────────────────── */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', Menlo, Monaco, 'Courier New', monospace;

  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-base: 13px;
  --fs-md: 14px;
  --fs-lg: 16px;
  --fs-xl: 18px;
  --fs-2xl: 22px;
  --fs-3xl: 28px;
  --fs-4xl: 36px;
  --fs-5xl: 44px;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.7;

  /* ─── RADIUS ──────────────────────────────────────────── */
  --rd-sm: 6px;
  --rd-md: 10px;
  --rd-lg: 14px;
  --rd-xl: 20px;
  --rd-2xl: 28px;
  --rd-full: 999px;

  /* ─── SHADOWS (elevation) ─────────────────────────────── */
  --shadow-1: 0 1px 2px rgba(16, 18, 24, .04);
  --shadow-2: 0 2px 6px rgba(16, 18, 24, .06), 0 1px 2px rgba(16, 18, 24, .04);
  --shadow-3: 0 8px 24px rgba(16, 18, 24, .08), 0 2px 6px rgba(16, 18, 24, .04);
  --shadow-4: 0 20px 60px rgba(16, 18, 24, .14), 0 8px 24px rgba(16, 18, 24, .06);
  --shadow-focus: 0 0 0 3px rgba(26, 26, 31, .12);

  /* ─── LIGHT MODE — surfaces (preto-e-branco) ──────────── */
  --bg-0: #F6F6F7;        /* page background */
  --bg-1: #FFFFFF;        /* cards / elevated */
  --bg-2: #F0F0F2;        /* hover / input bg */
  --bg-3: #FAFAFB;        /* alternate row / subtle */
  --bg-sidebar: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);
  --bg-panel: #FFFFFF;

  --border: rgba(16, 18, 24, .06);
  --border-strong: rgba(16, 18, 24, .10);
  --border-hover: rgba(16, 18, 24, .18);

  /* ─── TEXT hierarchy ──────────────────────────────────── */
  --tx-1: #1A1B1F;        /* primary / body / titles */
  --tx-2: #4E5058;        /* secondary */
  --tx-3: #8B8E96;        /* muted / labels */
  --tx-4: #B5B7BD;        /* disabled / hint */
  --tx-inverse: #FFFFFF;

  /* ─── PRIMARY = PRETO ─────────────────────────────────── */
  --primary: #111214;
  --primary-hover: #2A2C30;
  --primary-fg: #FFFFFF;
  --primary-bg: rgba(17, 18, 20, .06);
  --primary-border: rgba(17, 18, 20, .12);

  /* ─── Accent (azul Tailwind blue-500/600 — CTAs, links, focus) ─── */
  --accent: #3B82F6;          /* base — botão padrão */
  --accent-hover: #2563EB;    /* hover */
  --accent-active: #1D4ED8;   /* active/pressed */
  --accent-bg: rgba(59, 130, 246, .08);
  --accent-border: rgba(59, 130, 246, .22);
  --accent-fg: #FFFFFF;
  /* Gradiente sutil pra botão accent (efeito Stripe/Linear) */
  --accent-gradient: linear-gradient(180deg, #4F8EF7 0%, #3B82F6 50%, #2D6EE8 100%);
  --accent-gradient-hover: linear-gradient(180deg, #3B82F6 0%, #2563EB 50%, #1F5BD0 100%);

  /* Brand orange — uso restrito (logo Izzat, marca histórica). NÃO usar como primary. */
  --brand-orange: #FF6A00;
  --brand-orange-hover: #FF8533;

  /* ─── Semantic (pastel) ──────────────────────────────── */
  --success: #10A86E;
  --success-bg: #E6F7EF;
  --success-border: #B9E8D1;

  --warning: #C78B11;
  --warning-bg: #FEF5E0;
  --warning-border: #F4DCA4;

  --danger: #D64C5B;
  --danger-bg: #FCE7E9;
  --danger-border: #F3BCC2;

  --info: #2F7AC6;
  --info-bg: #E4EFFA;
  --info-border: #B5D3EF;

  --violet: #7E5BD9;
  --violet-bg: #EEE8FB;
  --violet-border: #CFC0F1;

  --teal: #1AA59F;
  --teal-bg: #DFF5F3;
  --teal-border: #A7E3DE;

  /* ─── Layout ──────────────────────────────────────────── */
  --topbar-h: 56px;
  --breadcrumb-h: 44px;
  --sidebar-w: 260px;
  --sidebar-collapsed-w: 60px;

  /* ─── Transition ─────────────────────────────────────── */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --dur-fast: .12s;
  --dur: .18s;
  --dur-slow: .28s;

  /* ─── Legacy overrides (compat com CSS existentes) ────── */
  --bg: var(--bg-0);
  --surface: var(--bg-1);
  --surface-hover: var(--bg-2);
  --surface-2: var(--bg-1);
  --surface-3: var(--bg-2);
  /* Aliases legados — apontam para accent (azul) */
  --orange: var(--accent);
  --orange-1: var(--accent-hover);
  --orange-dark: var(--accent-active);
  --t1: var(--tx-1);
  --t2: var(--tx-2);
  --t3: var(--tx-3);
  --t4: var(--tx-4);
  --line: var(--border);
  --line-2: var(--border-strong);
  --r: var(--rd-sm);
  --r2: var(--rd-md);
  --r3: var(--rd-lg);
  --r-full: var(--rd-full);
  --glass-border: var(--border);
}

/* (Dark mode removido — light mode only) */

/* Selection — azul, não laranja */
::selection {
  background: var(--accent-bg);
  color: var(--tx-1);
}

/* ─── Base reset + typography ──────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--tx-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* (selection acima na seção dark — usa --accent-bg) */

/* Scrollbar minimalista */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(16, 18, 24, .12);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(16, 18, 24, .22); background-clip: content-box; border: 2px solid transparent; }

/* Keyframes reutilizáveis */
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes slideInRight {
  from { transform: translateX(16px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes slideInUp {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}