/* ============================================================
   KOST GROUP — APP.CSS v5
   Design system Linear/Apple (indigo + orange accent)
   Une seule feuille de style cohérente. Override des anciennes.
   ============================================================ */

/* ─── DESIGN TOKENS ─── */
:root {
  /* Palette */
  --c-bg:           #fafbfd;
  --c-surface:      rgba(255, 255, 255, 0.78);
  --c-surface-hi:   #ffffff;
  --c-text:         #0f172a;
  --c-text-soft:    #475569;
  --c-text-muted:   #94a3b8;
  --c-border:       rgba(15, 23, 42, 0.06);
  --c-border-hi:    rgba(15, 23, 42, 0.10);

  --c-primary:      #6366f1;        /* Indigo */
  --c-primary-hi:   #4f46e5;
  --c-primary-soft: rgba(99, 102, 241, 0.10);
  --c-accent:       #f97316;        /* Orange Kost (accent secondaire) */
  --c-accent-hi:    #ea580c;

  --c-green:        #10b981;
  --c-green-soft:   rgba(16, 185, 129, 0.10);
  --c-amber:        #f59e0b;
  --c-amber-soft:   rgba(245, 158, 11, 0.10);
  --c-red:          #ef4444;
  --c-red-soft:     rgba(239, 68, 68, 0.10);
  --c-blue:         #2563eb;
  --c-violet:       #7c3aed;
  --c-cyan:         #06b6d4;

  /* Sidebar (sombre) */
  --c-sidebar-bg:        #0f172a;
  --c-sidebar-bg-hi:     #1e293b;
  --c-sidebar-text:      #cbd5e1;
  --c-sidebar-text-mute: #64748b;
  --c-sidebar-active:    rgba(99, 102, 241, 0.18);
  --c-sidebar-border:    rgba(255, 255, 255, 0.06);

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-2xl: 24px;

  /* Shadow */
  --shadow-sm:  0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:  0 4px 12px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg:  0 12px 32px -8px rgba(15, 23, 42, 0.12);
  --shadow-xl:  0 24px 60px -12px rgba(15, 23, 42, 0.20);

  /* Spacing scale */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  20px;
  --s-6:  24px;
  --s-8:  32px;
  --s-10: 40px;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', 'SF Mono', Menlo, monospace;

  --t-xs:  11px;
  --t-sm:  13px;
  --t-md:  14px;
  --t-lg:  16px;
  --t-xl:  20px;
  --t-2xl: 26px;
  --t-3xl: 32px;
}

/* ─── RESET / BASE ─── */
* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--font-body);
  font-size: var(--t-md);
  line-height: 1.5;
  color: var(--c-text);
  background:
    radial-gradient(at 8% 0%, rgba(124, 58, 237, 0.04) 0px, transparent 40%),
    radial-gradient(at 95% 5%, rgba(6, 182, 212, 0.05) 0px, transparent 35%),
    var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Tabular numbers everywhere there's a money value */
.mono, .num,
.kpi-value, .amount, .stat-box-value,
.tresorerie-mini .amount, .health-metric .value,
.big-number, .ai-amount {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════
   LAYOUT PRINCIPAL
═══════════════════════════════════════════════════════════ */

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* ─── SIDEBAR ─── */
.sidebar,
aside.sidebar {
  background: var(--c-sidebar-bg) !important;
  background-image: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
  color: var(--c-sidebar-text) !important;
  border-right: 1px solid var(--c-sidebar-border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 260px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 50;
}

.sidebar-brand {
  padding: 20px 18px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--c-sidebar-border);
}
.sidebar-brand .logo {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-violet));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
  box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}
.sidebar-brand .name {
  font-weight: 700;
  color: white;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.sidebar-brand .version {
  font-size: 11px;
  color: var(--c-sidebar-text-mute);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 8px 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.nav-group { margin-top: 4px; }
.nav-group-header {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 11px;
  border-radius: var(--r-md);
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  font-size: 13.5px;
  color: var(--c-sidebar-text);
  transition: all .15s ease;
}
.nav-group-header:hover {
  background: rgba(255,255,255,0.04);
  color: white;
}
.nav-group-header .nav-icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  font-size: 13px;
  color: var(--c-primary);
  flex-shrink: 0;
}
.nav-group-header .chevron {
  margin-left: auto;
  font-size: 10px;
  color: var(--c-sidebar-text-mute);
  transition: transform .2s ease;
}
.nav-group.open .nav-group-header .chevron { transform: rotate(90deg); }
.nav-group-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.nav-group.open .nav-group-children {
  max-height: 500px;
}

.nav-item {
  padding: 8px 12px 8px 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--r-md);
  cursor: pointer;
  color: var(--c-sidebar-text);
  font-size: 13px;
  margin: 1px 4px;
  transition: all .12s ease;
  position: relative;
}
.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: white;
}
.nav-item.active {
  background: var(--c-sidebar-active) !important;
  color: white !important;
  font-weight: 500;
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 8px var(--c-primary);
}

/* "Direct" nav (no children) */
.nav-direct {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 11px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-weight: 500;
  font-size: 13.5px;
  color: var(--c-sidebar-text);
  margin: 1px 0;
  transition: all .12s ease;
}
.nav-direct:hover { background: rgba(255,255,255,0.04); color: white; }
.nav-direct.active {
  background: var(--c-sidebar-active);
  color: white;
}
.nav-direct .nav-icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  font-size: 13px;
  color: var(--c-primary);
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--c-sidebar-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-footer .avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), #fbbf24);
  display: grid; place-items: center;
  color: white;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
}
.sidebar-footer .who { flex: 1; min-width: 0; }
.sidebar-footer .who .name { font-size: 13px; font-weight: 500; color: white; }
.sidebar-footer .who .role { font-size: 11px; color: var(--c-sidebar-text-mute); }
.sidebar-footer .logout-btn {
  background: transparent;
  border: none;
  color: var(--c-sidebar-text-mute);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all .15s ease;
}
.sidebar-footer .logout-btn:hover { background: rgba(239,68,68,0.15); color: var(--c-red); }

/* ─── MAIN CONTENT ─── */
.main-content {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.topbar-search input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-bg);
  font-size: 13px;
  color: var(--c-text);
  outline: none;
  transition: all .15s ease;
}
.topbar-search input:focus {
  border-color: var(--c-primary);
  background: white;
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.topbar-search i {
  position: absolute;
  left: 13px; top: 50%; transform: translateY(-50%);
  color: var(--c-text-muted);
  font-size: 12px;
}
.topbar-search .kbd {
  position: absolute;
  right: 8px; top: 50%; transform: translateY(-50%);
  font-size: 10px;
  font-family: var(--font-mono);
  background: white;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--c-text-muted);
}

.conn-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--c-green-soft);
  color: #047857;
  font-size: 11px;
  font-weight: 600;
}
.conn-pill::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 6px var(--c-green);
  animation: pulse 2s ease-in-out infinite;
}
.conn-pill.offline { background: var(--c-amber-soft); color: #92400e; }
.conn-pill.offline::before { background: var(--c-amber); animation: none; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.page-container {
  flex: 1;
  padding: 24px 28px 48px;
  background: transparent;
}

/* ═══════════════════════════════════════════════════════════
   COMPONENTS
═══════════════════════════════════════════════════════════ */

/* ─── Card ─── */
.card,
.glass-card {
  background: var(--c-surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  padding: 20px;
  transition: box-shadow .25s ease;
}
.card:hover { box-shadow: var(--shadow-lg); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 16px;
}
.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-primary);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(99,102,241,0.35);
}
.btn-primary:hover {
  background: var(--c-primary-hi);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -2px rgba(99,102,241,0.45);
}
.btn-orange,
.btn-accent {
  background: var(--c-accent);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(249,115,22,0.35);
}
.btn-orange:hover,
.btn-accent:hover {
  background: var(--c-accent-hi);
  transform: translateY(-1px);
}
.btn-secondary,
.btn-outline {
  background: white;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-secondary:hover,
.btn-outline:hover {
  background: var(--c-bg);
  border-color: var(--c-border-hi);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text-soft);
}
.btn-ghost:hover {
  background: var(--c-bg);
  color: var(--c-text);
}
.btn-danger {
  background: var(--c-red);
  color: white;
}
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-lg { padding: 11px 18px; font-size: 14px; }

/* ─── Inputs ─── */
.input,
.select,
.textarea,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="email"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: white;
  font-size: 13px;
  color: var(--c-text);
  outline: none;
  transition: all .15s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text-soft);
  margin-bottom: 6px;
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--c-bg);
  color: var(--c-text-soft);
}
.badge-success, .badge-green { background: var(--c-green-soft);  color: #047857; }
.badge-warning, .badge-amber { background: var(--c-amber-soft);  color: #92400e; }
.badge-danger,  .badge-red   { background: var(--c-red-soft);    color: #b91c1c; }
.badge-info,    .badge-blue  { background: rgba(37,99,235,0.10); color: var(--c-blue); }
.badge-violet                { background: rgba(124,58,237,0.10); color: var(--c-violet); }
.badge-orange                { background: rgba(249,115,22,0.12); color: var(--c-accent-hi); }
.badge-navy                  { background: rgba(15,23,42,0.10); color: var(--c-text); }

/* ─── Tables ─── */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
table thead th {
  background: rgba(248, 250, 252, 0.92);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 1;
}
table tbody tr {
  transition: background .12s ease;
}
table tbody tr:hover {
  background: rgba(99, 102, 241, 0.025);
}
table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-border);
  font-size: 13px;
}

/* Action buttons in table cells */
.action-btn {
  width: 28px; height: 28px;
  border: none;
  border-radius: 7px;
  background: var(--c-bg);
  color: var(--c-text-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: all .12s ease;
  margin: 0 1px;
}
.action-btn:hover { transform: scale(1.08); }
.action-btn.view   { background: rgba(37,99,235,0.10);  color: var(--c-blue); }
.action-btn.edit   { background: rgba(245,158,11,0.10); color: var(--c-amber); }
.action-btn.delete { background: rgba(239,68,68,0.10);  color: var(--c-red); }

/* ─── Slide-over (replaces stacked modals) ─── */
.slide-over-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.40);
  backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.slide-over-backdrop.open {
  opacity: 1;
  pointer-events: all;
}
.slide-over {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 100%;
  max-width: 560px;
  background: white;
  z-index: 100;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow: -24px 0 60px -12px rgba(15,23,42,0.20);
  display: flex;
  flex-direction: column;
}
.slide-over.open { transform: translateX(0); }
.slide-over-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.slide-over-title {
  font-weight: 600;
  font-size: 16px;
}
.slide-over-body {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}
.slide-over-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--c-border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ─── Modal (legacy fallback) ─── */
.modal-overlay,
#deleteOverlay,
#userModalOverlay,
#modalOverlay {
  background: rgba(15, 23, 42, 0.45) !important;
  backdrop-filter: blur(8px);
}
.modal,
.modal-content {
  background: white !important;
  border-radius: var(--r-2xl) !important;
  box-shadow: var(--shadow-xl) !important;
  border: 1px solid var(--c-border);
}

/* ─── Toasts ─── */
.toast {
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: blur(20px);
  border-radius: var(--r-md) !important;
  box-shadow: var(--shadow-xl) !important;
  border: 1px solid rgba(255,255,255,0.10);
  color: white;
  padding: 12px 16px;
}
.toast.toast-success { background: linear-gradient(135deg, var(--c-green), #34d399) !important; }
.toast.toast-error   { background: linear-gradient(135deg, var(--c-red),   #f97316) !important; }
.toast.toast-warning { background: linear-gradient(135deg, var(--c-amber), #fbbf24) !important; }

/* ─── Tabs ─── */
.tabs {
  display: inline-flex;
  background: var(--c-bg);
  padding: 4px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  margin-bottom: 20px;
  overflow-x: auto;
  max-width: 100%;
}
.tab-btn {
  padding: 7px 14px;
  border: none !important;
  background: transparent !important;
  border-radius: var(--r-sm) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--c-text-soft) !important;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--c-text); }
.tab-btn.active {
  background: white !important;
  color: var(--c-text) !important;
  box-shadow: 0 1px 3px rgba(15,23,42,0.08);
}

/* ─── Page header ─── */
.page-header {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.page-title h1,
.page-title h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
  color: var(--c-text);
}
.page-title p {
  margin: 0;
  color: var(--c-text-muted);
  font-size: 13.5px;
}
.page-actions { display: flex; gap: 8px; }

/* ─── Empty state ─── */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--c-text-muted);
}
.empty-state i {
  font-size: 32px;
  color: var(--c-text-muted);
  margin-bottom: 8px;
  display: block;
  opacity: 0.5;
}

/* ─── Login screen ─── */
#loginScreen {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #4338ca 100%) !important;
  position: fixed; inset: 0;
  display: grid; place-items: center;
  z-index: 200;
}
/* CRITICAL : doit disparaître après login */
#loginScreen.hidden {
  display: none !important;
}
.login-card {
  background: rgba(255,255,255,0.97) !important;
  backdrop-filter: blur(24px);
  border-radius: var(--r-2xl) !important;
  box-shadow: 0 32px 80px -16px rgba(0,0,0,0.5) !important;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 36px 32px !important;
  width: 100%;
  max-width: 460px;
  min-width: 320px;
}
.login-card .login-logo,
.login-card h1,
.login-card h2 {
  text-align: center;
}
.login-card input {
  font-size: 14px !important;
  padding: 11px 14px 11px 42px !important;   /* laisse de la place pour l'icône à gauche */
  margin-top: 4px;
}
.login-card .input-wrap input[type="password"] {
  padding-right: 42px !important;             /* place pour l'œil 👁 à droite */
}
.login-card .input-wrap i.input-icon {
  z-index: 2;
}
.login-card .login-btn,
.login-card #loginBtn,
.login-card button[type="submit"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--c-text) !important;
  color: white !important;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: all .15s ease;
}
.login-card .login-btn:hover,
.login-card #loginBtn:hover {
  background: var(--c-primary-hi) !important;
  transform: translateY(-1px);
}

/* ─── Mobile ─── */
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); transition: transform .3s ease; }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .page-container { padding: 16px 14px 32px; }
  .topbar { padding: 10px 14px; }
}

/* Scrollbar global */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.18);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(15, 23, 42, 0.32); background-clip: content-box; }
::selection { background: rgba(99, 102, 241, 0.20); }