/* =========================================================
   AKIWI DESIGN SYSTEM — DESIGN TOKENS
   Pour Akimedia · CMS Akiwi · Modernisation 2026
   =========================================================
   Tous les tokens sont exposés en variables CSS pour pouvoir
   être consommés par Tailwind, du CSS vanilla ou n'importe
   quel composant. Le mode dark est activé par [data-theme="dark"]
   sur <html>.
   ========================================================= */

:root {
  /* ---------- COULEURS — Surface (warm neutrals, base stone) ---------- */
  --color-bg:              #FAFAF9;  /* fond app */
  --color-bg-subtle:       #F5F5F4;  /* zones secondaires, rails */
  --color-surface:         #FFFFFF;  /* cards, panels */
  --color-surface-hover:   #FAFAF9;
  --color-surface-sunken:  #F5F5F4;  /* inputs au repos, code blocks */
  --color-overlay:         rgba(28, 25, 23, 0.45);

  --color-border:          #E7E5E4;
  --color-border-strong:   #D6D3D1;
  --color-border-focus:    #EA580C;

  /* ---------- COULEURS — Texte ---------- */
  --color-text:            #1C1917;  /* primary */
  --color-text-muted:      #57534E;  /* secondary / labels */
  --color-text-subtle:     #78716C;  /* hint, helper */
  --color-text-disabled:   #A8A29E;
  --color-text-inverse:    #FAFAF9;
  --color-text-link:       #C2410C;
  --color-text-on-primary: #FFFFFF;

  /* ---------- COULEURS — Brand & action ---------- */
  /* Primary (orange — couleur d'action principale) */
  --color-primary-50:      #FFF7ED;
  --color-primary-100:     #FFEDD5;
  --color-primary-200:     #FED7AA;
  --color-primary-300:     #FDBA74;
  --color-primary-400:     #FB923C;
  --color-primary-500:     #F97316;
  --color-primary-600:     #EA580C;  /* base */
  --color-primary-700:     #C2410C;
  --color-primary-800:     #9A3412;
  --color-primary-900:     #7C2D12;

  /* Signature green — référence au trait du logo Akimedia */
  --color-signature-300:   #BEF264;
  --color-signature-400:   #A3E635;
  --color-signature-500:   #84CC16;  /* base */
  --color-signature-600:   #65A30D;
  --color-signature-700:   #4D7C0F;

  /* ---------- COULEURS — Sémantique ---------- */
  --color-success-bg:      #ECFCCB;
  --color-success-fg:      #4D7C0F;
  --color-success-border:  #BEF264;
  --color-success-solid:   #65A30D;

  --color-info-bg:         #DBEAFE;
  --color-info-fg:         #1D4ED8;
  --color-info-border:     #BFDBFE;
  --color-info-solid:      #2563EB;

  --color-warn-bg:         #FEF3C7;
  --color-warn-fg:         #B45309;
  --color-warn-border:     #FDE68A;
  --color-warn-solid:      #D97706;

  --color-danger-bg:       #FEE2E2;
  --color-danger-fg:       #B91C1C;
  --color-danger-border:   #FECACA;
  --color-danger-solid:    #DC2626;

  --color-neutral-bg:      #F5F5F4;
  --color-neutral-fg:      #44403C;
  --color-neutral-border:  #E7E5E4;

  /* ---------- COULEURS — Score viz (SEO / GEO) ---------- */
  --color-seo:             #2563EB;  /* bleu — historique SEO */
  --color-geo:             #8B5CF6;  /* violet — historique GEO */

  /* ---------- TYPOGRAPHIE ---------- */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-display: "Inter", system-ui, sans-serif;

  /* Échelle typo — 1.125 modular scale, 14px base */
  --text-xs:   11px;  --leading-xs:   16px;
  --text-sm:   12px;  --leading-sm:   18px;
  --text-base: 14px;  --leading-base: 20px;
  --text-md:   15px;  --leading-md:   22px;
  --text-lg:   16px;  --leading-lg:   24px;
  --text-xl:   18px;  --leading-xl:   26px;
  --text-2xl:  22px;  --leading-2xl:  30px;
  --text-3xl:  28px;  --leading-3xl:  36px;
  --text-4xl:  36px;  --leading-4xl:  44px;

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

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

  /* ---------- ESPACEMENTS (4px grid) ---------- */
  --space-0: 0;
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 8px;
  --space-4: 12px;
  --space-5: 16px;
  --space-6: 20px;
  --space-7: 24px;
  --space-8: 32px;
  --space-9: 40px;
  --space-10: 48px;
  --space-12: 64px;
  --space-14: 80px;
  --space-16: 96px;

  /* ---------- RAYONS ---------- */
  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-md: 7px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* ---------- OMBRES (subtiles, neutres chaudes) ---------- */
  --shadow-xs:  0 1px 2px 0 rgba(28, 25, 23, 0.04);
  --shadow-sm:  0 1px 2px 0 rgba(28, 25, 23, 0.05), 0 1px 1px -1px rgba(28, 25, 23, 0.04);
  --shadow-md:  0 4px 8px -2px rgba(28, 25, 23, 0.06), 0 2px 4px -2px rgba(28, 25, 23, 0.04);
  --shadow-lg:  0 12px 24px -8px rgba(28, 25, 23, 0.10), 0 4px 8px -4px rgba(28, 25, 23, 0.05);
  --shadow-xl:  0 24px 48px -12px rgba(28, 25, 23, 0.18);
  --shadow-focus: 0 0 0 3px rgba(234, 88, 12, 0.25);
  --shadow-inset: inset 0 1px 2px 0 rgba(28, 25, 23, 0.05);

  /* ---------- LAYOUT ---------- */
  --sidebar-width: 248px;
  --sidebar-width-collapsed: 56px;
  --subnav-width: 240px;
  --header-height: 52px;
  --content-max: 1240px;

  /* ---------- TRANSITIONS ---------- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;

  /* ---------- Z-INDEX ---------- */
  --z-base: 0;
  --z-sticky: 10;
  --z-dropdown: 100;
  --z-overlay: 1000;
  --z-modal: 1100;
  --z-toast: 1200;

  color-scheme: light;
}

/* =========================================================
   DARK MODE — overrides
   ========================================================= */
:root[data-theme="dark"],
html[data-theme="dark"] {
  --color-bg:              #0C0A09;
  --color-bg-subtle:       #1C1917;
  --color-surface:         #1C1917;
  --color-surface-hover:   #292524;
  --color-surface-sunken:  #0C0A09;
  --color-overlay:         rgba(0, 0, 0, 0.65);

  --color-border:          #292524;
  --color-border-strong:   #44403C;

  --color-text:            #FAFAF9;
  --color-text-muted:      #A8A29E;
  --color-text-subtle:     #78716C;
  --color-text-disabled:   #57534E;
  --color-text-inverse:    #1C1917;
  --color-text-link:       #FB923C;

  --color-success-bg:      rgba(132, 204, 22, 0.12);
  --color-success-fg:      #A3E635;
  --color-success-border:  rgba(132, 204, 22, 0.30);

  --color-info-bg:         rgba(59, 130, 246, 0.12);
  --color-info-fg:         #93C5FD;
  --color-info-border:     rgba(59, 130, 246, 0.30);

  --color-warn-bg:         rgba(217, 119, 6, 0.14);
  --color-warn-fg:         #FCD34D;
  --color-warn-border:     rgba(217, 119, 6, 0.30);

  --color-danger-bg:       rgba(220, 38, 38, 0.14);
  --color-danger-fg:       #FCA5A5;
  --color-danger-border:   rgba(220, 38, 38, 0.30);

  --color-neutral-bg:      #292524;
  --color-neutral-fg:      #D6D3D1;
  --color-neutral-border:  #44403C;

  --color-seo:             #60A5FA;
  --color-geo:             #A78BFA;

  --shadow-xs:  0 1px 2px 0 rgba(0, 0, 0, 0.30);
  --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.35), 0 1px 1px -1px rgba(0, 0, 0, 0.30);
  --shadow-md:  0 4px 8px -2px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.30);
  --shadow-lg:  0 12px 24px -8px rgba(0, 0, 0, 0.55), 0 4px 8px -4px rgba(0, 0, 0, 0.35);
  --shadow-xl:  0 24px 48px -12px rgba(0, 0, 0, 0.70);

  color-scheme: dark;
}

/* =========================================================
   RESET + BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
a { color: var(--color-text-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

::selection { background: var(--color-primary-200); color: var(--color-primary-900); }
:root[data-theme="dark"] ::selection,
html[data-theme="dark"] ::selection { background: var(--color-primary-700); color: #fff; }

/* Scrollbars discrètes */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 999px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-subtle); background-clip: padding-box; border: 2px solid transparent; }
