/* Kodaje PAD — design tokens Apple-style + utilitaires.
 * Stack typographique système (SF Pro natif sur Apple, Inter en fallback web).
 * Palette épurée, espacement généreux, rythme vertical large.
 */

:root {
  color-scheme: light;

  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter",
                  "Segoe UI", system-ui, sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter",
                  "Segoe UI", system-ui, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", "JetBrains Mono", "Menlo",
                  "Cascadia Code", "Roboto Mono", monospace;

  --color-bg:        #FBFBFD;   /* Apple off-white */
  --color-surface:   #FFFFFF;   /* cartes, popovers */
  --color-ink:       #1D1D1F;   /* texte primaire (proche noir) */
  --color-ink-soft:  #424245;   /* texte secondaire */
  --color-ink-mute:  #6E6E73;   /* texte tertiaire / labels */
  --color-rule:      #D2D2D7;   /* hairlines */
  --color-rule-soft: #E8E8ED;   /* séparateurs très légers */
  --color-accent:    #0071E3;   /* Apple blue — CTA primaire */
  --color-accent-d:  #0058B0;   /* hover accent */
  --color-success:   #0A7F60;   /* validation / envoyé */
  --color-warning:   #B25000;   /* avertissement */
  --color-danger:    #B0001F;   /* erreur */
  --color-success-soft: #E8F5EF;
  --color-warning-soft: #FFF1E5;
  --color-danger-soft:  #FCE8EB;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shadow-soft: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-pop:  0 4px 24px rgba(0,0,0,0.08);
}

html, body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* SF-like rendering for Inter fallback */
@supports (font-variation-settings: normal) {
  html, body {
    font-feature-settings: "ss01", "cv11", "ss03";
  }
}

/* ─── Typographie ─── */

.k-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--color-ink);
}

.k-headline {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.k-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

.k-mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum", "zero";
  letter-spacing: -0.01em;
}

.k-body {
  font-family: var(--font-body);
  color: var(--color-ink-soft);
  line-height: 1.55;
}

.k-mute {
  color: var(--color-ink-mute);
}

/* ─── Surfaces ─── */

.k-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.k-rule {
  border-top: 1px solid var(--color-rule);
  height: 0;
}

.k-rule-soft {
  border-top: 1px solid var(--color-rule-soft);
  height: 0;
}

/* ─── Inputs ─── */

.k-input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;            /* 16px = pas de zoom auto sur iOS */
  line-height: 1.4;
  padding: 14px 16px;
  transition: border-color 120ms ease, box-shadow 120ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.k-input::placeholder { color: var(--color-ink-mute); }

.k-input:hover { border-color: #B7B7BF; }

.k-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.k-input.k-input-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px rgba(176, 0, 31, 0.10);
}

.k-label {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-soft);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}

.k-error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: 6px;
}

/* ─── Boutons ─── */

.k-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  line-height: 1;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, transform 90ms ease, box-shadow 120ms ease;
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
}

.k-btn:active { transform: translateY(0.5px); }
.k-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.k-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.k-btn-primary {
  background: var(--color-ink);
  color: #FFFFFF;
}
.k-btn-primary:hover { background: #2C2C2E; }

.k-btn-accent {
  background: var(--color-accent);
  color: #FFFFFF;
}
.k-btn-accent:hover { background: var(--color-accent-d); }

.k-btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-rule);
}
.k-btn-ghost:hover { background: #F2F2F5; }

.k-btn-danger {
  background: transparent;
  color: var(--color-danger);
  border: 1px solid transparent;
  padding: 6px 10px;
  font-size: 13px;
  border-radius: var(--radius-md);
}
.k-btn-danger:hover { background: var(--color-danger-soft); }

.k-btn-block { width: 100%; }

/* ─── Badges / chips ─── */

.k-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: #F2F2F5;
  color: var(--color-ink-soft);
}

.k-chip-success { background: var(--color-success-soft); color: var(--color-success); }
.k-chip-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.k-chip-danger  { background: var(--color-danger-soft);  color: var(--color-danger); }
.k-chip-accent  { background: rgba(0,113,227,0.10);      color: var(--color-accent); }

/* ─── Layout helpers ─── */

.k-shell {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.k-shell-narrow {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.k-stack-lg > * + * { margin-top: 24px; }
.k-stack-md > * + * { margin-top: 16px; }
.k-stack-sm > * + * { margin-top: 8px; }

/* ─── Wordmark ─── */

.k-wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 17px;
  color: var(--color-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.k-wordmark .pad {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  padding: 2px 6px;
  border: 1px solid var(--color-rule);
  border-radius: 4px;
  position: relative;
  top: -1px;
}

/* ─── Flash messages ─── */

.k-flash {
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid transparent;
}
.k-flash-success { background: var(--color-success-soft); color: var(--color-success); border-color: rgba(10,127,96,0.20); }
.k-flash-error   { background: var(--color-danger-soft);  color: var(--color-danger);  border-color: rgba(176,0,31,0.18); }
.k-flash-warning { background: var(--color-warning-soft); color: var(--color-warning); border-color: rgba(178,80,0,0.18); }
.k-flash-info    { background: #F2F2F5;                   color: var(--color-ink-soft); border-color: var(--color-rule-soft); }

/* ─── Header / Footer ─── */

.k-header {
  background: rgba(251, 251, 253, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-rule-soft);
  position: sticky;
  top: 0;
  z-index: 50;
}

.k-footer {
  border-top: 1px solid var(--color-rule-soft);
  color: var(--color-ink-mute);
  font-size: 12px;
  text-align: center;
  padding: 28px 20px;
  letter-spacing: 0.01em;
}

/* ─── Sync badge (PWA offline queue) ─── */

#pending-sync-badge {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border: 1px solid rgba(178,80,0,0.20);
}

/* ─── Misc ─── */

button:disabled { cursor: not-allowed; }

[x-cloak] { display: none !important; }

::selection { background: rgba(0, 113, 227, 0.20); color: var(--color-ink); }