/* ============================================================
   Cowa Services Apps — Design System
   Professional, mobile-first, dark theme
   ============================================================ */

/* --- Custom Properties --- */
:root {
  --color-bg: #0b0f14;
  --color-surface: #10161d;
  --color-surface-alt: #0c131a;
  --color-border: #1e2a36;
  --color-border-hover: #2e3e4e;
  --color-text: #e5e7eb;
  --color-text-muted: #8896a6;
  --color-primary: #22c55e;
  --color-primary-dark: #16a34a;
  --color-primary-fg: #052e14;
  --color-secondary: #3b82f6;
  --color-accent: #f59e0b;
  --color-danger: #ef4444;
  --color-success: #10b981;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .25);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, .3);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'Cascadia Code', Consolas, monospace;
  --transition: 200ms ease;
  --max-width: 1100px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
input, select, button, textarea { font: inherit; }
ul, ol { list-style: none; }

/* --- Background Gradients --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 1000px 800px at 75% -5%, rgba(34, 197, 94, .1), transparent),
    radial-gradient(ellipse 1000px 800px at -10% 10%, rgba(59, 130, 246, .08), transparent);
  pointer-events: none;
}

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; width: 100%; }

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 20, .8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar__logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: grid;
  place-items: center;
  color: var(--color-primary-fg);
  font-weight: 900;
  font-size: .85rem;
  flex-shrink: 0;
}
.navbar__title {
  font-size: 1.05rem;
  font-weight: 700;
  white-space: nowrap;
}
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: .9rem;
  font-weight: 500;
  transition: border-color var(--transition);
  cursor: pointer;
}
.navbar__back:hover { border-color: var(--color-border-hover); }
.navbar__back svg { width: 16px; height: 16px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-align: center;
}
.btn:hover { border-color: var(--color-border-hover); background: var(--color-surface-alt); }
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-primary-fg);
  border: none;
  font-weight: 700;
}
.btn--primary:hover { filter: brightness(1.1); background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); }
.btn--danger { background: var(--color-danger); color: #fff; border: none; font-weight: 600; }
.btn--danger:hover { filter: brightness(1.1); background: var(--color-danger); }
.btn--sm { padding: 8px 12px; font-size: .85rem; border-radius: var(--radius-sm); }
.btn--block { width: 100%; }
.btn--icon { padding: 10px; }

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), border-color var(--transition);
}
.card--hover:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
}
.card--glass {
  background: rgba(16, 22, 29, .6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* --- Form Elements --- */
.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.form-input,
.form-select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text);
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .15);
}
.form-input::placeholder { color: var(--color-text-muted); opacity: .6; }
.form-input[readonly] { opacity: .8; cursor: default; }
.form-hint {
  font-size: .8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* --- Grid System --- */
.grid { display: grid; gap: 16px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 980px) { .grid--4 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

/* --- Tags / Pills --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text);
  font-size: .75rem;
  font-weight: 500;
}
.tag--primary { border-color: rgba(34, 197, 94, .3); color: var(--color-primary); }
.tag--info { border-color: rgba(59, 130, 246, .3); color: var(--color-secondary); }

/* --- Status Pill --- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 600;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}
.status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
}
.status--ok::before { background: var(--color-success); }
.status--warn::before { background: var(--color-accent); }
.status--err::before { background: var(--color-danger); }
.status--loading::before { background: var(--color-secondary); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* --- KPI Card --- */
.kpi {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.kpi__label { font-size: .85rem; color: var(--color-text-muted); margin-bottom: 2px; }
.kpi__value { font-size: 1.1rem; font-weight: 700; font-family: var(--font-mono); }

/* --- Result Display --- */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.result-item {
  padding: 14px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.result-item__label { font-size: .85rem; color: var(--color-text-muted); margin-bottom: 4px; }
.result-item__value { font-size: 1.05rem; font-weight: 700; font-family: var(--font-mono); }
.result-item--highlight { border-color: var(--color-accent); }
.result-item--success { border-color: var(--color-primary); }

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px;
}
.tabs__item {
  flex: 1;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: transparent;
}
.tabs__item:hover { color: var(--color-text); }
.tabs__item--active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.tab-panel { display: none; }
.tab-panel--active { display: block; }

/* --- Flash Messages --- */
.flash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 16px;
  animation: slideDown .3s ease;
}
.flash--success {
  background: rgba(16, 185, 129, .1);
  border: 1px solid rgba(16, 185, 129, .3);
  color: var(--color-success);
}
.flash--error {
  background: rgba(239, 68, 68, .1);
  border: 1px solid rgba(239, 68, 68, .3);
  color: var(--color-danger);
}
.flash__close {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0 4px;
  opacity: .7;
}
.flash__close:hover { opacity: 1; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Hero Section --- */
.hero { padding: 48px 0 32px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 20px;
  align-items: start;
}
.hero__title { font-size: 2rem; font-weight: 800; line-height: 1.2; margin-bottom: 12px; }
.hero__title span { color: var(--color-primary); }
.hero__desc { color: var(--color-text-muted); font-size: 1.05rem; margin-bottom: 16px; line-height: 1.6; }
.hero__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
}
.hero__stat {
  text-align: center;
  padding: 14px 10px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.hero__stat-label { font-size: .8rem; color: var(--color-text-muted); margin-bottom: 4px; }
.hero__stat-value { font-size: 1.15rem; font-weight: 800; }

/* --- Search Bar --- */
.search-bar { padding: 12px 0; }
.search-bar__inner {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.search-bar__input-wrap {
  flex: 1;
  min-width: 240px;
  position: relative;
}
.search-bar__input-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}
.search-bar__input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: .95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-bar__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .12);
}
.search-bar__badges { display: flex; gap: 6px; flex-wrap: wrap; }

/* --- App Tiles (Hub) --- */
.app-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-tile__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.app-tile__icon--green { background: rgba(34, 197, 94, .15); }
.app-tile__icon--blue { background: rgba(59, 130, 246, .15); }
.app-tile__icon--amber { background: rgba(245, 158, 11, .15); }
.app-tile__icon--pink { background: rgba(236, 72, 153, .15); }
.app-tile__icon--purple { background: rgba(168, 85, 247, .15); }
.app-tile__icon--cyan { background: rgba(6, 182, 212, .15); }
.app-tile__header { display: flex; align-items: center; gap: 12px; }
.app-tile__title { font-size: 1rem; font-weight: 700; }
.app-tile__desc { font-size: .88rem; color: var(--color-text-muted); line-height: 1.5; flex: 1; }
.app-tile__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.app-tile__actions { display: flex; gap: 8px; margin-top: auto; }

/* --- Section Titles --- */
.section-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(34, 197, 94, .12);
  display: grid;
  place-items: center;
  font-size: 1rem;
}

/* --- Page Header (sub-pages) --- */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}
.page-header__title { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.page-header__desc { color: var(--color-text-muted); font-size: .95rem; }

/* --- Mono text --- */
.mono { font-family: var(--font-mono); }

/* --- Copy Group --- */
.copy-group {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.copy-group .form-input { flex: 1; }
.copy-group .btn { flex-shrink: 0; }

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 20px 0;
}

/* --- Note --- */
.note {
  display: flex;
  gap: 10px;
  padding: 14px;
  background: rgba(59, 130, 246, .06);
  border: 1px solid rgba(59, 130, 246, .15);
  border-radius: var(--radius-md);
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.note--success {
  background: rgba(34, 197, 94, .06);
  border-color: rgba(34, 197, 94, .15);
}
.note svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; }

/* --- Footer --- */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: 20px 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: .85rem;
}
.footer a { color: var(--color-primary); }
.footer a:hover { text-decoration: underline; }

/* --- Install Banner --- */
.install-banner {
  display: none;
  padding: 16px;
  margin-bottom: 16px;
}
.install-banner.is-visible { display: flex; }
.install-banner__content {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}
.install-banner__text { flex: 1; }
.install-banner__text strong { display: block; margin-bottom: 2px; }
.install-banner__text span { font-size: .85rem; color: var(--color-text-muted); }

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: .9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toastIn .3s ease;
  max-width: 320px;
}
.toast--success { border-color: rgba(34, 197, 94, .4); }
.toast--error { border-color: rgba(239, 68, 68, .4); }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Mobile-First Touch UX --- */

/* Gros boutons tactiles (min 48px recommandé par Google) */
@media (max-width: 768px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__title { font-size: 1.5rem; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); }
  .navbar__title { font-size: .95rem; }
  .kpi { flex-direction: column; text-align: center; gap: 8px; }

  /* Boutons plus grands pour le tactile */
  .btn { padding: 14px 18px; font-size: .95rem; min-height: 48px; }
  .btn--sm { padding: 12px 16px; font-size: .9rem; min-height: 44px; }
  .btn--block { padding: 16px; font-size: 1rem; }

  /* Inputs plus grands */
  .form-input, .form-select { padding: 14px 16px; font-size: 1rem; min-height: 48px; }

  /* Tabs plus gros */
  .tabs__item { padding: 14px 16px; font-size: .95rem; min-height: 48px; }

  /* Cards plus aérées */
  .card { padding: 18px; }

  /* Résultats plus lisibles */
  .result-item { padding: 16px; }
  .result-item__value { font-size: 1.15rem; }

  /* Page header compact */
  .page-header { padding: 24px 0 16px; margin-bottom: 16px; }
  .page-header__title { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .hero { padding: 24px 0 16px; }
  .hero__title { font-size: 1.3rem; }
  .hero__stats { gap: 6px; }
  .hero__stat { padding: 10px 6px; }
  .hero__stat-value { font-size: 1rem; }
  .container { padding: 0 12px; }
  .search-bar__badges { display: none; }

  /* Navbar compacte sur petit écran */
  .navbar__inner { padding: 10px 12px; }

  /* Résultat en colonne unique */
  .result-grid { grid-template-columns: 1fr; }
  .result-item__value { font-size: 1.2rem; }

  /* Note plus lisible */
  .note { font-size: .85rem; padding: 12px; }

  /* Tiles en plein écran */
  .app-tile__actions { flex-direction: column; }
  .app-tile__actions .btn { width: 100%; }
}

/* Safe area insets (iPhone notch) */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .footer { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
  .toast-container { bottom: calc(24px + env(safe-area-inset-bottom)); }
}

/* --- Utilities --- */
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-danger { color: var(--color-danger); }
.text-center { text-align: center; }
.fw-700 { font-weight: 700; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}