/* ═══════════════════════════════════════════════════
   GROUPE FRANCE BÂTIMENT — Design System v3
   Mobile-First · Animations riches · Ubiquiti Light
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────── */
:root {
  --bg:        #f4f6f9;
  --surface:   #ffffff;
  --surface2:  #f7f9fc;
  --surface3:  #eef2f7;

  --primary:   #0066cc;
  --primary-h: #0052a3;
  --primary-l: #e8f0fb;
  --primary-ll:#f0f6ff;

  --accent:    #00a854;
  --accent-l:  #e6f7ee;
  --warn:      #f59e0b;
  --warn-l:    #fef3c7;
  --danger:    #ef4444;
  --danger-l:  #fee2e2;
  --purple:    #7c3aed;
  --purple-l:  #ede9fe;

  --text:      #1a1f2e;
  --text2:     #52596b;
  --text3:     #8a92a0;
  --border:    #dde3ec;
  --border2:   #c8d0de;

  --shadow:    0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1),0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.12),0 4px 12px rgba(0,0,0,.08);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.15),0 8px 20px rgba(0,0,0,.1);

  --r:    8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl:20px;

  --sidebar-w:  220px;
  --topbar-h:   60px;
  --bottomnav-h:64px;
  --font: 'Inter', system-ui, sans-serif;

  /* Animation easings */
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-smooth: cubic-bezier(.4,0,.2,1);
  --ease-out:    cubic-bezier(0,0,.2,1);
  --ease-in:     cubic-bezier(.4,0,1,1);
}

/* ── Reset ──────────────────────────────────── */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html { font-size:16px; scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body { font-family:var(--font); background:var(--bg); color:var(--text); min-height:100vh; overflow-x:hidden; line-height:1.5; }
a { color:inherit; text-decoration:none; }
button { font-family:var(--font); cursor:pointer; -webkit-tap-highlight-color:transparent; }
input,select,textarea { font-family:var(--font); }
img { max-width:100%; }
ul { list-style:none; }

/* ── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar { width:4px; height:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:2px; }

/* ══════════════════════════════════════════════
   ANIMATIONS GLOBALES
   ══════════════════════════════════════════════ */

@keyframes fadeIn       { from{opacity:0} to{opacity:1} }
@keyframes fadeUp       { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeDown     { from{opacity:0;transform:translateY(-16px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeLeft     { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }
@keyframes fadeRight    { from{opacity:0;transform:translateX(-20px)} to{opacity:1;transform:translateX(0)} }
@keyframes scaleIn      { from{opacity:0;transform:scale(.92)} to{opacity:1;transform:scale(1)} }
@keyframes scaleSpring  { from{opacity:0;transform:scale(.85)} to{opacity:1;transform:scale(1)} }
@keyframes slideUp      { from{transform:translateY(100%)} to{transform:translateY(0)} }
@keyframes slideDown    { from{transform:translateY(-100%)} to{transform:translateY(0)} }
@keyframes spin         { to{transform:rotate(360deg)} }
@keyframes pulse        { 0%,100%{opacity:1} 50%{opacity:.5} }
@keyframes bounce       { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }
@keyframes shimmer      { from{background-position:-200% 0} to{background-position:200% 0} }
@keyframes ripple       { from{transform:scale(0);opacity:.6} to{transform:scale(2.5);opacity:0} }
@keyframes countUp      { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes progressFill { from{width:0} to{width:var(--target)} }
@keyframes floatUp      { 0%{transform:translateY(0)} 50%{transform:translateY(-4px)} 100%{transform:translateY(0)} }
@keyframes glow         { 0%,100%{box-shadow:0 0 8px rgba(0,102,204,.3)} 50%{box-shadow:0 0 20px rgba(0,102,204,.6)} }
@keyframes toastIn      { from{opacity:0;transform:translateY(24px) scale(.95)} to{opacity:1;transform:translateY(0) scale(1)} }
@keyframes toastOut     { from{opacity:1;transform:translateY(0) scale(1)} to{opacity:0;transform:translateY(12px) scale(.95)} }
@keyframes notifPop     { 0%{transform:scale(1)} 50%{transform:scale(1.3)} 100%{transform:scale(1)} }
@keyframes stagger      { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

/* Stagger helpers */
.stagger-1 { animation-delay:.05s !important; }
.stagger-2 { animation-delay:.10s !important; }
.stagger-3 { animation-delay:.15s !important; }
.stagger-4 { animation-delay:.20s !important; }
.stagger-5 { animation-delay:.25s !important; }
.stagger-6 { animation-delay:.30s !important; }

/* ── Reduced motion ─────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

/* ══════════════════════════════════════════════
   SIDEBAR — Desktop
   ══════════════════════════════════════════════ */
.sidebar {
  position:fixed; left:0; top:0; bottom:0;
  width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--border);
  display:flex; flex-direction:column;
  z-index:200;
  transition:width .28s var(--ease-smooth), transform .28s var(--ease-smooth);
  overflow:hidden;
}
.sidebar.collapsed { width:60px; }

.sb-header {
  padding:14px 12px;
  display:flex; align-items:center; gap:10px;
  border-bottom:1px solid var(--border);
  min-height:var(--topbar-h);
  flex-shrink:0;
}
.logo-mark {
  width:34px; height:34px;
  background:linear-gradient(135deg,var(--primary),#0084ff);
  border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  box-shadow:0 3px 10px rgba(0,102,204,.35);
  animation:glow 3s ease-in-out infinite;
}
.logo-mark span { color:#fff; font-weight:800; font-size:12px; letter-spacing:-.3px; }
.logo-text { overflow:hidden; transition:opacity .2s,width .2s; white-space:nowrap; }
.sidebar.collapsed .logo-text { opacity:0; width:0; pointer-events:none; }
.logo-text strong { font-size:11px; font-weight:700; color:var(--text); display:block; }
.logo-text small  { font-size:9px; color:var(--text3); text-transform:uppercase; letter-spacing:.6px; }

.sb-toggle {
  position:absolute; right:-11px; top:22px;
  width:22px; height:22px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; z-index:10;
  transition:all .2s var(--ease-smooth);
  box-shadow:var(--shadow);
}
.sb-toggle:hover { background:var(--primary-l); border-color:var(--primary); transform:scale(1.1); }
.sb-toggle i { font-size:12px; color:var(--text2); transition:transform .28s var(--ease-smooth); }
.sidebar.collapsed .sb-toggle i { transform:rotate(180deg); }

.sb-section {
  padding:12px 12px 4px;
  font-size:10px; font-weight:600;
  text-transform:uppercase; letter-spacing:.8px;
  color:var(--text3); white-space:nowrap;
  transition:opacity .2s;
}
.sidebar.collapsed .sb-section { opacity:0; }

.sb-nav { padding:4px 8px; }

.nav-item {
  display:flex; align-items:center; gap:10px;
  padding:9px 10px; border-radius:var(--r);
  cursor:pointer; color:var(--text2);
  font-size:13px; font-weight:500;
  transition:all .18s var(--ease-smooth);
  margin-bottom:1px; white-space:nowrap;
  position:relative; overflow:hidden;
}
/* Ripple on nav click */
.nav-item::after {
  content:''; position:absolute; inset:0;
  background:var(--primary); opacity:0; border-radius:var(--r);
  transform:scale(0); transition:transform .4s,opacity .4s;
}
.nav-item:active::after { transform:scale(1.5); opacity:.08; transition:0s; }
.nav-item:hover { background:var(--surface3); color:var(--text); transform:translateX(2px); }
.nav-item.active { background:var(--primary-l); color:var(--primary); }
.nav-item i { font-size:18px; flex-shrink:0; width:18px; transition:transform .2s var(--ease-spring); }
.nav-item:hover i { transform:scale(1.1); }
.nav-item.active i { transform:scale(1.05); }
.nav-item .label { transition:opacity .2s,width .2s; overflow:hidden; }
.sidebar.collapsed .nav-item .label { opacity:0; width:0; pointer-events:none; }

.nav-badge {
  margin-left:auto; flex-shrink:0;
  min-width:18px; height:18px; border-radius:9px;
  font-size:10px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  padding:0 5px; transition:opacity .2s,transform .2s var(--ease-spring);
  animation:notifPop .4s var(--ease-spring);
}
.nav-badge.red   { background:var(--danger-l); color:var(--danger); }
.nav-badge.blue  { background:var(--primary-l); color:var(--primary); }
.nav-badge.warn  { background:var(--warn-l); color:var(--warn); }
.sidebar.collapsed .nav-badge { opacity:0; transform:scale(0); }

.sidebar.collapsed .nav-item:hover::before {
  content:attr(data-label);
  position:absolute; left:54px; top:50%;
  transform:translateY(-50%);
  background:var(--text); color:#fff;
  font-size:12px; font-weight:500;
  padding:5px 10px; border-radius:6px;
  white-space:nowrap; z-index:999;
  box-shadow:var(--shadow-md);
  animation:fadeLeft .15s var(--ease-out);
}

.sb-user {
  padding:12px; border-top:1px solid var(--border);
  display:flex; align-items:center; gap:10px; flex-shrink:0;
}
.sb-user .user-info { overflow:hidden; transition:opacity .2s,width .2s; white-space:nowrap; }
.sidebar.collapsed .sb-user .user-info { opacity:0; width:0; }
.sb-user .user-info strong { font-size:12px; display:block; }
.sb-user .user-info small  { font-size:10px; color:var(--text3); }

/* ══════════════════════════════════════════════
   TOPBAR
   ══════════════════════════════════════════════ */
.topbar {
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  height:var(--topbar-h);
  display:flex; align-items:center; gap:12px;
  padding:0 20px;
  margin-left:var(--sidebar-w);
  transition:margin-left .28s var(--ease-smooth);
}
.topbar.shifted { margin-left:60px; }

.topbar-title {
  font-size:15px; font-weight:700; flex:1;
  animation:fadeRight .3s var(--ease-out);
}
.topbar-actions { display:flex; align-items:center; gap:8px; }

.search-box {
  display:flex; align-items:center; gap:8px;
  background:var(--surface3); border:1px solid var(--border);
  border-radius:var(--r); padding:0 12px; height:36px;
  min-width:200px; transition:all .2s var(--ease-smooth);
}
.search-box:focus-within {
  border-color:var(--primary); background:var(--surface);
  box-shadow:0 0 0 3px rgba(0,102,204,.1);
  min-width:240px;
}
.search-box input { background:none; border:none; outline:none; font-size:13px; color:var(--text); width:100%; }
.search-box i { color:var(--text3); font-size:16px; }

.notif-wrap { position:relative; }
.notif-dot {
  position:absolute; top:4px; right:4px;
  width:8px; height:8px; border-radius:50%;
  background:var(--danger); border:1.5px solid var(--surface);
  animation:notifPop .4s var(--ease-spring);
}

/* ══════════════════════════════════════════════
   MAIN LAYOUT
   ══════════════════════════════════════════════ */
.main-layout {
  margin-left:var(--sidebar-w);
  min-height:100vh;
  transition:margin-left .28s var(--ease-smooth);
}
.main-layout.shifted { margin-left:60px; }

.page-content {
  padding:24px;
  animation:fadeUp .35s var(--ease-out) both;
}

/* Page transitions */
.page-enter { animation:fadeUp .3s var(--ease-out) both; }
.page-exit  { animation:fadeIn .2s var(--ease-in) both reverse; }

/* ══════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════ */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 16px; border-radius:var(--r);
  font-size:13px; font-weight:500;
  cursor:pointer; border:1px solid transparent;
  transition:all .18s var(--ease-smooth);
  white-space:nowrap; font-family:var(--font);
  position:relative; overflow:hidden;
  -webkit-tap-highlight-color:transparent;
  min-height:36px;
}
.btn::before {
  content:''; position:absolute; inset:0;
  background:rgba(255,255,255,.2);
  opacity:0; border-radius:inherit;
  transform:scale(0);
  transition:transform .35s,opacity .35s;
}
.btn:active::before { transform:scale(2); opacity:1; transition:0s; }
.btn:active { transform:scale(.97); }

.btn-primary  { background:var(--primary); color:#fff; border-color:var(--primary); }
.btn-primary:hover { background:var(--primary-h); box-shadow:0 4px 12px rgba(0,102,204,.35); transform:translateY(-1px); }

.btn-success  { background:var(--accent); color:#fff; }
.btn-success:hover { filter:brightness(.92); transform:translateY(-1px); }

.btn-danger   { background:var(--danger); color:#fff; }
.btn-danger:hover { filter:brightness(.92); transform:translateY(-1px); }

.btn-outline  { background:transparent; color:var(--text2); border-color:var(--border); }
.btn-outline:hover { background:var(--surface3); color:var(--text); border-color:var(--border2); transform:translateY(-1px); }

.btn-ghost    { background:transparent; color:var(--text2); border-color:transparent; }
.btn-ghost:hover { background:var(--surface3); }

.btn-sm   { padding:5px 10px; font-size:12px; min-height:30px; }
.btn-lg   { padding:12px 24px; font-size:14px; min-height:44px; }
.btn-icon { width:36px; height:36px; padding:0; justify-content:center; }
.btn-icon.btn-sm { width:30px; height:30px; }
.btn-icon.btn-lg { width:48px; height:48px; }

/* Touch-friendly minimum */
@media(max-width:768px) {
  .btn { min-height:44px; }
  .btn-sm { min-height:38px; }
  .btn-icon { width:44px; height:44px; }
  .btn-icon.btn-sm { width:38px; height:38px; }
}

/* ══════════════════════════════════════════════
   CARDS
   ══════════════════════════════════════════════ */
.card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r-lg); overflow:hidden;
  transition:box-shadow .25s var(--ease-smooth), transform .25s var(--ease-smooth);
}
.card.hoverable:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }

.card-header {
  padding:14px 20px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.card-title { font-size:14px; font-weight:600; display:flex; align-items:center; gap:7px; }
.card-title i { color:var(--primary); }
.card-body   { padding:16px 20px; }
.card-footer {
  padding:12px 20px; border-top:1px solid var(--border);
  background:var(--surface2);
  display:flex; align-items:center; justify-content:space-between;
}

/* Animated stat cards */
.stat-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r-lg); padding:18px 20px;
  cursor:default; position:relative; overflow:hidden;
  transition:all .25s var(--ease-smooth);
  animation:stagger .4s var(--ease-out) both;
}
.stat-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--primary),#0084ff);
  transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease-smooth);
}
.stat-card:hover { box-shadow:var(--shadow-md); transform:translateY(-3px); }
.stat-card:hover::after { transform:scaleX(1); }

.stats-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:14px; margin-bottom:20px;
}

.stat-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.stat-icon {
  width:40px; height:40px; border-radius:var(--r);
  display:flex; align-items:center; justify-content:center;
  transition:transform .2s var(--ease-spring);
}
.stat-card:hover .stat-icon { transform:scale(1.1) rotate(5deg); }
.stat-icon i { font-size:20px; }
.stat-icon.blue   { background:var(--primary-l); } .stat-icon.blue i   { color:var(--primary); }
.stat-icon.green  { background:var(--accent-l);  } .stat-icon.green i  { color:var(--accent);  }
.stat-icon.warn   { background:var(--warn-l);    } .stat-icon.warn i   { color:var(--warn);    }
.stat-icon.red    { background:var(--danger-l);  } .stat-icon.red i    { color:var(--danger);  }
.stat-icon.purple { background:var(--purple-l);  } .stat-icon.purple i { color:var(--purple);  }

.stat-badge { font-size:11px; font-weight:600; padding:3px 8px; border-radius:10px; }
.stat-badge.up   { background:var(--accent-l); color:var(--accent); }
.stat-badge.down { background:var(--danger-l); color:var(--danger); }
.stat-badge.warn { background:var(--warn-l); color:var(--warn); }

.stat-value { font-size:30px; font-weight:800; color:var(--text); line-height:1; animation:countUp .5s var(--ease-out) both; }
.stat-label { font-size:12px; color:var(--text3); margin-top:4px; }

/* ══════════════════════════════════════════════
   PROGRESS BARS — Animées
   ══════════════════════════════════════════════ */
.progress { height:6px; background:var(--border); border-radius:3px; overflow:hidden; }
.progress-bar {
  height:100%; border-radius:3px;
  animation:progressFill .8s var(--ease-out) both;
  transition:width .6s var(--ease-smooth);
}
.progress-bar.green  { background:linear-gradient(90deg,var(--accent),#00c46a); }
.progress-bar.blue   { background:linear-gradient(90deg,var(--primary),#0084ff); }
.progress-bar.warn   { background:linear-gradient(90deg,var(--warn),#fbbf24); }
.progress-bar.danger { background:linear-gradient(90deg,var(--danger),#f87171); }

/* ══════════════════════════════════════════════
   BADGES
   ══════════════════════════════════════════════ */
.badge {
  display:inline-flex; align-items:center; gap:4px;
  font-size:11px; font-weight:600;
  padding:3px 9px; border-radius:10px; white-space:nowrap;
}
.badge-success { background:var(--accent-l);  color:var(--accent);  }
.badge-danger  { background:var(--danger-l);  color:var(--danger);  }
.badge-warn    { background:var(--warn-l);    color:var(--warn);    }
.badge-info    { background:var(--primary-l); color:var(--primary); }
.badge-neutral { background:var(--surface3);  color:var(--text2);   }
.badge-purple  { background:var(--purple-l);  color:var(--purple);  }

/* ══════════════════════════════════════════════
   AVATARS
   ══════════════════════════════════════════════ */
.avatar {
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-weight:700; color:#fff; flex-shrink:0; font-size:12px;
  transition:transform .2s var(--ease-spring);
}
.avatar:hover { transform:scale(1.08); }
.av-xs  { width:24px; height:24px; font-size:9px;  }
.av-sm  { width:30px; height:30px; font-size:11px; }
.av-md  { width:38px; height:38px; font-size:14px; }
.av-lg  { width:46px; height:46px; font-size:16px; }
.av-xl  { width:58px; height:58px; font-size:20px; }

.avatar-stack { display:flex; }
.avatar-stack .avatar { border:2px solid var(--surface); margin-left:-8px; }
.avatar-stack .avatar:first-child { margin-left:0; }

/* ══════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════ */
.form-group { margin-bottom:14px; }
.form-label { font-size:12px; font-weight:600; color:var(--text2); margin-bottom:5px; display:block; }
.form-label .req { color:var(--danger); margin-left:2px; }

.form-control {
  width:100%; height:42px;
  border:1px solid var(--border);
  border-radius:var(--r); padding:0 12px;
  font-size:14px; color:var(--text);
  background:var(--surface); outline:none;
  font-family:var(--font);
  transition:border .15s,box-shadow .15s,background .15s;
  -webkit-appearance:none;
}
.form-control:focus {
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(0,102,204,.12);
  background:var(--surface);
}
.form-control::placeholder { color:var(--text3); }
select.form-control { cursor:pointer; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a92a0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:32px; }
textarea.form-control { height:auto; padding:10px 12px; resize:vertical; min-height:80px; }

.form-row   { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-row-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }

/* ══════════════════════════════════════════════
   TABLES
   ══════════════════════════════════════════════ */
.table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }
.table { width:100%; border-collapse:collapse; }
.table th {
  font-size:11px; font-weight:600; color:var(--text3);
  text-transform:uppercase; letter-spacing:.5px;
  padding:10px 14px; text-align:left;
  border-bottom:2px solid var(--border); white-space:nowrap;
  position:sticky; top:0; background:var(--surface); z-index:1;
}
.table td { padding:12px 14px; font-size:13px; border-bottom:1px solid var(--border); vertical-align:middle; }
.table tr:last-child td { border-bottom:none; }
.table tbody tr { transition:background .15s; }
.table tbody tr:hover td { background:var(--surface3); }

/* ══════════════════════════════════════════════
   ALERTS
   ══════════════════════════════════════════════ */
.alert {
  display:flex; align-items:flex-start; gap:12px;
  padding:12px 16px; border-radius:var(--r);
  border-left:3px solid; margin-bottom:10px;
  animation:slideInAlert .3s var(--ease-out) both;
}
@keyframes slideInAlert {
  from { opacity:0; transform:translateX(-8px); }
  to   { opacity:1; transform:translateX(0); }
}
.alert-danger  { background:var(--danger-l);  border-color:var(--danger);  }
.alert-warn    { background:var(--warn-l);    border-color:var(--warn);    }
.alert-info    { background:var(--primary-l); border-color:var(--primary); }
.alert-success { background:var(--accent-l);  border-color:var(--accent);  }
.alert i { font-size:17px; margin-top:1px; flex-shrink:0; }
.alert-danger i  { color:var(--danger);  }
.alert-warn i    { color:var(--warn);    }
.alert-info i    { color:var(--primary); }
.alert-success i { color:var(--accent);  }
.alert strong { font-size:13px; font-weight:600; display:block; margin-bottom:2px; }
.alert span   { font-size:12px; color:var(--text2); }

/* ══════════════════════════════════════════════
   MODAL — Animated
   ══════════════════════════════════════════════ */
.modal-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(15,20,35,.5);
  z-index:999; align-items:center; justify-content:center;
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
}
.modal-overlay.open { display:flex; animation:fadeIn .2s var(--ease-out); }

.modal {
  background:var(--surface); border-radius:var(--r-xl);
  width:520px; max-width:94vw; max-height:90vh; overflow-y:auto;
  box-shadow:var(--shadow-xl);
  animation:scaleSpring .28s var(--ease-spring);
}
/* Mobile: slide up from bottom */
@media(max-width:768px) {
  .modal-overlay { align-items:flex-end; }
  .modal { width:100%; max-width:100%; border-radius:var(--r-2xl) var(--r-2xl) 0 0; max-height:92vh; animation:slideUp .3s var(--ease-out); }
}

.modal-header {
  padding:18px 22px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; background:var(--surface); z-index:1;
}
.modal-header h3 { font-size:16px; font-weight:700; }
.modal-body   { padding:22px; }
.modal-footer {
  padding:14px 22px; border-top:1px solid var(--border);
  display:flex; justify-content:flex-end; gap:8px;
  position:sticky; bottom:0; background:var(--surface);
}

/* ══════════════════════════════════════════════
   TOAST — Animated
   ══════════════════════════════════════════════ */
.toast-container {
  position:fixed; z-index:9999;
  display:flex; flex-direction:column; gap:8px;
  bottom:24px; right:24px;
}
@media(max-width:768px) {
  .toast-container { bottom:calc(var(--bottomnav-h) + 12px); right:12px; left:12px; }
}
.toast {
  display:flex; align-items:center; gap:10px;
  padding:13px 16px; border-radius:var(--r-lg);
  font-size:13px; font-weight:500;
  min-width:280px; max-width:360px;
  box-shadow:var(--shadow-lg);
  animation:toastIn .35s var(--ease-spring);
  color:#fff;
}
@media(max-width:768px) { .toast { min-width:0; width:100%; max-width:100%; } }
.toast.success { background:linear-gradient(135deg,#15803d,#16a34a); }
.toast.danger  { background:linear-gradient(135deg,#dc2626,#ef4444); }
.toast.warn    { background:linear-gradient(135deg,#d97706,#f59e0b); }
.toast.info    { background:linear-gradient(135deg,var(--primary),#0084ff); }
.toast-default { background:linear-gradient(135deg,#1a1f2e,#2d3348); }
.toast i { font-size:18px; flex-shrink:0; }
.toast-close { margin-left:auto; opacity:.7; cursor:pointer; font-size:16px; padding:0 4px; }
.toast-close:hover { opacity:1; }

/* ══════════════════════════════════════════════
   TOGGLE / SWITCH
   ══════════════════════════════════════════════ */
.toggle-wrap { display:flex; align-items:center; justify-content:space-between; padding:10px 0; }
.toggle-label { font-size:13px; color:var(--text); }
.toggle { position:relative; width:40px; height:23px; flex-shrink:0; cursor:pointer; }
.toggle input { opacity:0; width:0; height:0; position:absolute; }
.toggle-slider {
  position:absolute; inset:0;
  background:var(--border2); border-radius:12px;
  transition:background .22s var(--ease-smooth), box-shadow .22s;
  cursor:pointer;
}
.toggle-slider::before {
  content:''; position:absolute; left:3px; top:3px;
  width:17px; height:17px; background:#fff; border-radius:50%;
  transition:transform .22s var(--ease-spring);
  box-shadow:0 1px 4px rgba(0,0,0,.2);
}
.toggle input:checked + .toggle-slider { background:var(--primary); box-shadow:0 0 0 3px rgba(0,102,204,.15); }
.toggle input:checked + .toggle-slider::before { transform:translateX(17px); }

/* ══════════════════════════════════════════════
   PROJECT CARDS
   ══════════════════════════════════════════════ */
.proj-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r-lg); padding:16px 18px 14px;
  cursor:pointer; position:relative; overflow:hidden;
  transition:all .25s var(--ease-smooth);
  animation:stagger .4s var(--ease-out) both;
}
.proj-card::before {
  content:''; position:absolute; left:0; top:0; bottom:0;
  width:3px; border-radius:3px 0 0 3px;
  transition:width .25s var(--ease-smooth);
}
.proj-card:hover::before { width:5px; }
.proj-card.c-green::before  { background:var(--accent);  }
.proj-card.c-warn::before   { background:var(--warn);    }
.proj-card.c-danger::before { background:var(--danger);  }
.proj-card.c-gray::before   { background:var(--text3);   }
.proj-card.c-blue::before   { background:var(--primary); }
.proj-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }

.proj-name   { font-size:14px; font-weight:600; }
.proj-meta   { display:flex; align-items:center; flex-wrap:wrap; gap:10px; font-size:12px; color:var(--text2); margin:6px 0 10px; }
.proj-meta i { color:var(--text3); font-size:13px; }
.proj-footer { display:flex; align-items:center; justify-content:space-between; margin-top:8px; }

/* ══════════════════════════════════════════════
   TASK ITEMS
   ══════════════════════════════════════════════ */
.task-item {
  display:flex; align-items:center; gap:10px;
  padding:11px 0; border-bottom:1px solid var(--border);
  transition:all .18s var(--ease-smooth);
  animation:stagger .3s var(--ease-out) both;
}
.task-item:last-child { border-bottom:none; }
.task-item:hover { background:var(--surface3); margin:0 -20px; padding:11px 20px; border-radius:var(--r); }

.task-check {
  width:20px; height:20px; flex-shrink:0;
  border:2px solid var(--border2); border-radius:5px;
  cursor:pointer; transition:all .2s var(--ease-spring);
  display:flex; align-items:center; justify-content:center;
  min-width:44px; min-height:44px; /* touch target */
  width:44px; height:44px; margin:-12px -4px; /* expand touch, visual 20px */
  position:relative;
}
.task-check::after {
  content:''; position:absolute;
  width:20px; height:20px;
  border:2px solid var(--border2); border-radius:5px;
  background:transparent;
  transition:all .2s var(--ease-spring);
}
.task-check:hover::after { border-color:var(--primary); transform:scale(1.1); }
.task-check.done::after {
  background:var(--accent); border-color:var(--accent);
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 12 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center; background-size:12px;
  animation:scaleSpring .25s var(--ease-spring);
}

.task-text { flex:1; font-size:13px; transition:all .2s; }
.task-text.done { text-decoration:line-through; color:var(--text3); }

.task-priority { font-size:10px; font-weight:600; padding:2px 7px; border-radius:8px; white-space:nowrap; }
.prio-haute   { background:var(--danger-l); color:var(--danger); }
.prio-moyenne { background:var(--warn-l);   color:var(--warn);   }
.prio-basse   { background:var(--accent-l); color:var(--accent); }
.task-date { font-size:11px; color:var(--text3); white-space:nowrap; }

/* ══════════════════════════════════════════════
   TIMELINE
   ══════════════════════════════════════════════ */
.timeline { position:relative; padding-left:22px; }
.timeline::before { content:''; position:absolute; left:7px; top:8px; bottom:8px; width:1.5px; background:var(--border); }
.tl-item { position:relative; padding:0 0 20px 20px; animation:stagger .4s var(--ease-out) both; }
.tl-dot {
  position:absolute; left:-16px; top:5px;
  width:13px; height:13px; border-radius:50%;
  border:2.5px solid var(--surface);
  transition:transform .2s var(--ease-spring);
}
.tl-item:hover .tl-dot { transform:scale(1.3); }
.tl-dot.green  { background:var(--accent);  box-shadow:0 0 0 3px var(--accent-l);  }
.tl-dot.blue   { background:var(--primary); box-shadow:0 0 0 3px var(--primary-l); }
.tl-dot.warn   { background:var(--warn);    box-shadow:0 0 0 3px var(--warn-l);    }
.tl-dot.danger { background:var(--danger);  box-shadow:0 0 0 3px var(--danger-l);  }
.tl-dot.gray   { background:var(--text3);   box-shadow:0 0 0 3px var(--surface3);  }
.tl-title { font-size:13px; font-weight:600; margin-bottom:2px; }
.tl-sub   { font-size:12px; color:var(--text2); margin-bottom:2px; }
.tl-date  { font-size:11px; color:var(--text3); }

/* ══════════════════════════════════════════════
   SKELETON LOADER
   ══════════════════════════════════════════════ */
.skeleton {
  background:linear-gradient(90deg,var(--surface3) 25%,var(--border) 50%,var(--surface3) 75%);
  background-size:200% 100%;
  animation:shimmer 1.5s infinite;
  border-radius:var(--r);
}
.sk-line   { height:14px; margin-bottom:8px; }
.sk-title  { height:20px; width:60%; margin-bottom:12px; }
.sk-card   { height:80px; border-radius:var(--r-lg); margin-bottom:10px; }
.sk-avatar { border-radius:50%; }

/* ══════════════════════════════════════════════
   DROPDOWN
   ══════════════════════════════════════════════ */
.dropdown { position:relative; display:inline-block; }
.dropdown-menu {
  display:none; position:absolute; top:calc(100% + 6px); right:0;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r-lg); min-width:190px;
  box-shadow:var(--shadow-lg); z-index:500; overflow:hidden;
  animation:scaleIn .18s var(--ease-spring); transform-origin:top right;
}
.dropdown-menu.open { display:block; }
.dropdown-item {
  display:flex; align-items:center; gap:10px;
  padding:10px 14px; font-size:13px; color:var(--text2);
  cursor:pointer; transition:all .15s; border:none; background:none; width:100%;
}
.dropdown-item:hover { background:var(--surface3); color:var(--text); }
.dropdown-item i { font-size:16px; }
.dropdown-item.danger:hover { background:var(--danger-l); color:var(--danger); }
.dropdown-divider { height:1px; background:var(--border); margin:4px 0; }

/* ══════════════════════════════════════════════
   TABS
   ══════════════════════════════════════════════ */
.tabs {
  display:flex; gap:2px; border-bottom:2px solid var(--border);
  margin-bottom:20px; overflow-x:auto; -webkit-overflow-scrolling:touch;
  scrollbar-width:none; padding-bottom:0;
}
.tabs::-webkit-scrollbar { display:none; }
.tab-btn {
  padding:9px 16px; font-size:13px; font-weight:500;
  color:var(--text3); cursor:pointer; border:none; background:none;
  border-bottom:2px solid transparent; margin-bottom:-2px;
  transition:all .18s; white-space:nowrap;
  border-radius:var(--r) var(--r) 0 0;
  flex-shrink:0;
}
.tab-btn:hover { color:var(--text); background:var(--surface3); }
.tab-btn.active { color:var(--primary); border-bottom-color:var(--primary); font-weight:600; }
.tab-pane { display:none; animation:fadeUp .25s var(--ease-out); }
.tab-pane.active { display:block; }

/* ══════════════════════════════════════════════
   BOTTOM NAV — Mobile only
   ══════════════════════════════════════════════ */
.bottom-nav {
  display:none;
  position:fixed; bottom:0; left:0; right:0;
  height:var(--bottomnav-h);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--border);
  z-index:200;
  padding:0 4px;
  safe-area-inset-bottom:env(safe-area-inset-bottom);
  padding-bottom:env(safe-area-inset-bottom);
}
.bottom-nav-inner {
  display:flex; align-items:stretch;
  height:100%; gap:0;
}
.bnav-item {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:3px; cursor:pointer; padding:6px 4px;
  color:var(--text3); font-size:10px; font-weight:500;
  transition:color .2s; position:relative;
  border:none; background:none;
  -webkit-tap-highlight-color:transparent;
  text-decoration:none;
}
.bnav-item i { font-size:22px; transition:transform .2s var(--ease-spring); }
.bnav-item.active { color:var(--primary); }
.bnav-item.active i { transform:translateY(-2px) scale(1.1); }
.bnav-item:active i { transform:scale(.88); }

/* Active indicator */
.bnav-item.active::before {
  content:''; position:absolute; top:0; left:50%;
  transform:translateX(-50%);
  width:24px; height:3px; background:var(--primary);
  border-radius:0 0 3px 3px;
  animation:scaleSpring .3s var(--ease-spring);
}

/* Badge on bottom nav */
.bnav-badge {
  position:absolute; top:4px; right:calc(50% - 16px);
  min-width:16px; height:16px; border-radius:8px;
  background:var(--danger); color:#fff;
  font-size:9px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  padding:0 3px; border:1.5px solid var(--surface);
  animation:notifPop .4s var(--ease-spring);
}

/* FAB — mobile new button */
.fab {
  position:fixed; bottom:calc(var(--bottomnav-h) + 16px); right:16px;
  width:52px; height:52px; border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#0084ff);
  color:#fff; border:none; cursor:pointer;
  display:none; align-items:center; justify-content:center;
  font-size:22px; z-index:190;
  box-shadow:0 6px 20px rgba(0,102,204,.4);
  transition:all .2s var(--ease-spring);
  -webkit-tap-highlight-color:transparent;
}
.fab:hover { transform:scale(1.08); box-shadow:0 8px 24px rgba(0,102,204,.5); }
.fab:active { transform:scale(.92); }
.fab i { transition:transform .3s var(--ease-spring); }
.fab.open i { transform:rotate(45deg); }

/* ══════════════════════════════════════════════
   PULL TO REFRESH
   ══════════════════════════════════════════════ */
.ptr-indicator {
  display:none; text-align:center; padding:12px;
  font-size:12px; color:var(--text3);
}
.ptr-indicator i { font-size:20px; display:block; margin-bottom:4px; }
.ptr-indicator.show { display:block; animation:fadeDown .2s var(--ease-out); }
.ptr-indicator.spinning i { animation:spin .8s linear infinite; }

/* ══════════════════════════════════════════════
   MISC HELPERS
   ══════════════════════════════════════════════ */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
.mb-12 { margin-bottom:12px; } .mb-16 { margin-bottom:16px; } .mb-20 { margin-bottom:20px; } .mb-24 { margin-bottom:24px; }
.flex         { display:flex; }
.flex-center  { display:flex; align-items:center; }
.flex-between { display:flex; align-items:center; justify-content:space-between; }
.gap-6  { gap:6px;  } .gap-8 { gap:8px; } .gap-12 { gap:12px; } .gap-16 { gap:16px; }
.flex-1 { flex:1; }
.text-muted { color:var(--text3); } .text-sm { font-size:12px; } .text-xs { font-size:11px; }
.fw-600 { font-weight:600; } .fw-700 { font-weight:700; }
.divider { height:1px; background:var(--border); margin:14px 0; }
.empty-state { text-align:center; padding:48px 20px; color:var(--text3); }
.empty-state i  { font-size:52px; margin-bottom:12px; display:block; opacity:.3; animation:floatUp 3s ease-in-out infinite; }
.empty-state h3 { font-size:15px; font-weight:600; color:var(--text2); margin-bottom:6px; }
.empty-state p  { font-size:13px; }

/* ══════════════════════════════════════════════
   RESPONSIVE — Tablet
   ══════════════════════════════════════════════ */
@media(max-width:1024px) {
  .grid-3 { grid-template-columns:1fr 1fr; }
  .stats-grid { grid-template-columns:repeat(3,1fr); }
}

/* ══════════════════════════════════════════════
   RESPONSIVE — Mobile
   ══════════════════════════════════════════════ */
@media(max-width:768px) {
  /* Hide desktop sidebar */
  .sidebar { transform:translateX(-100%); width:var(--sidebar-w) !important; }
  .sidebar.mobile-open { transform:translateX(0); box-shadow:var(--shadow-xl); }

  /* Overlay when sidebar open */
  .sidebar-overlay {
    display:none; position:fixed; inset:0;
    background:rgba(0,0,0,.4); z-index:199;
    backdrop-filter:blur(2px);
    animation:fadeIn .2s;
  }
  .sidebar-overlay.show { display:block; }

  /* Show bottom nav & FAB */
  .bottom-nav { display:flex; }
  .fab        { display:flex; }

  /* Main layout - no sidebar margin */
  .main-layout, .topbar { margin-left:0 !important; }
  .main-layout { padding-bottom:var(--bottomnav-h); }

  /* Topbar mobile */
  .topbar { padding:0 12px; }
  .topbar-title { font-size:16px; font-weight:700; }
  .search-box { display:none; }

  /* Content padding */
  .page-content { padding:14px; }

  /* Grids */
  .grid-2, .grid-3 { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .form-row, .form-row-3 { grid-template-columns:1fr; }

  /* Tables scroll */
  .table th, .table td { padding:9px 10px; font-size:12px; }

  /* Cards */
  .card-body { padding:14px; }
  .card-header { padding:12px 14px; }

  /* Stat cards */
  .stat-card { padding:14px; }
  .stat-value { font-size:24px; }

  /* Proj cards */
  .proj-meta { gap:8px; font-size:11px; }
}

@media(max-width:400px) {
  .stats-grid { grid-template-columns:1fr; }
  .page-content { padding:10px; }
}

/* Safe area for iPhone X+ */
@supports(padding-bottom:env(safe-area-inset-bottom)) {
  .bottom-nav { padding-bottom:env(safe-area-inset-bottom); height:calc(var(--bottomnav-h) + env(safe-area-inset-bottom)); }
  .fab { bottom:calc(var(--bottomnav-h) + env(safe-area-inset-bottom) + 16px); }
  .main-layout { padding-bottom:calc(var(--bottomnav-h) + env(safe-area-inset-bottom)); }
}

/* ── Dark scrollbar ─ */
@media(prefers-color-scheme:dark) {
  ::-webkit-scrollbar-thumb { background:#444; }
}