/* ═══════════════════════════════════════════════════════
   LksBoost — Global CSS v3
   Design : Dark Premium / Mobile-First
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
  --bg:        #07060e;
  --bg2:       #0c0a18;
  --card:      #131022;
  --card2:     #1a1730;
  --card3:     #201d38;
  --border:    rgba(255,255,255,.06);
  --border2:   rgba(255,255,255,.12);
  --accent1:   #ff3cac;
  --accent2:   #7c3aed;
  --accent3:   #06d6f5;
  --accent4:   #f59e0b;
  --green:     #22c55e;
  --green2:    #16a34a;
  --red:       #ef4444;
  --text:      #f8f8ff;
  --text2:     #a09ab8;
  --muted:     #5c5875;
  --sidebar-w: 240px;
  --topbar-h:  60px;
  --bottomnav-h: 64px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.5);
  --glow-purple: 0 0 32px rgba(124,58,237,.25);
  --glow-green:  0 0 20px rgba(34,197,94,.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; overflow-x: hidden; scroll-behavior: smooth; }
html, body { overflow-x: hidden; max-width: 100vw; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}
* { max-width: 100%; }
img, video, canvas, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select, textarea { font-family: inherit; outline: none; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); }

/* ══ LOGO LKS ══ */
.lks-logo {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; cursor: pointer;
}
.lks-logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent2), var(--accent1));
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: var(--glow-purple);
  overflow: hidden; position: relative;
}
.lks-logo-icon img { width: 100%; height: 100%; object-fit: cover; }
.lks-logo-icon-fallback {
  font-family: var(--font-display); font-weight: 800;
  font-size: .75rem; color: #fff; letter-spacing: -.02em;
}
.lks-logo-text {
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.25rem; letter-spacing: -.04em;
  color: var(--text); line-height: 1;
}
.lks-logo-text em { font-style:normal; color: var(--accent2); }

/* ══ BOTTOM NAVIGATION MOBILE ══ */
.lks-bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--bottomnav-h); z-index: 500;
  background: rgba(10,8,20,.97);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 0 4px;
  padding-bottom: env(safe-area-inset-bottom, 0);
  align-items: stretch;
}
.lks-bottom-nav-inner {
  display: flex; align-items: center; justify-content: space-around;
  height: 100%; max-width: 480px; margin: 0 auto; width: 100%;
}
.lks-tab {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 3px;
  padding: 6px 8px; border-radius: 12px; cursor: pointer;
  transition: all .2s cubic-bezier(.34,1.56,.64,1);
  position: relative; flex: 1; min-width: 0;
  background: none; border: none; color: var(--muted);
  -webkit-tap-highlight-color: transparent;
}
.lks-tab:active { transform: scale(.9); }
.lks-tab.active { color: var(--text); }
.lks-tab-icon { font-size: 1.35rem; line-height: 1; transition: transform .2s cubic-bezier(.34,1.56,.64,1); }
.lks-tab.active .lks-tab-icon { transform: scale(1.1); }
.lks-tab::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px; height: 2.5px; border-radius: 2px;
  background: var(--accent2);
  transition: transform .2s cubic-bezier(.34,1.56,.64,1);
}
.lks-tab.active::after { transform: translateX(-50%) scaleX(1); }
.lks-tab-label {
  font-size: .6rem; font-weight: 600; letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.lks-tab-badge {
  position: absolute; top: 3px; right: calc(50% - 20px);
  background: var(--red); color: #fff; font-size: .5rem; font-weight: 800;
  width: 15px; height: 15px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg);
}
/* Bouton central Commander */
.lks-tab-center .lks-tab-icon-wrap {
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent2), var(--accent1));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(124,58,237,.5);
  transition: all .2s cubic-bezier(.34,1.56,.64,1);
  margin-bottom: 2px;
}
.lks-tab-center:active .lks-tab-icon-wrap { transform: scale(.88); }
.lks-tab-center .lks-tab-icon { font-size: 1.2rem; }
.lks-tab-center::after { display: none; }

/* ══ TOPBAR MOBILE (dashboard) ══ */
.lks-mobile-topbar {
  display: none;
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h); z-index: 400;
  background: rgba(7,6,14,.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 16px; align-items: center; justify-content: space-between;
}
.lks-mobile-topbar-right { display: flex; align-items: center; gap: 10px; }
.lks-mobile-balance {
  font-size: .8125rem; font-weight: 700; color: var(--green);
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.15);
  padding: 5px 12px; border-radius: 500px;
}
.lks-mobile-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent1));
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 800; color: #fff;
  cursor: pointer; flex-shrink: 0;
}

/* ══ BOUTONS ══ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px; border-radius: 500px;
  font-family: var(--font-body); font-size: .9375rem; font-weight: 700;
  transition: all .15s ease; cursor: pointer; border: none; white-space: nowrap;
}
.btn-green  { background: var(--green); color: #000; }
.btn-green:hover { background: #16a34a; transform: scale(1.02); }
.btn-purple { background: var(--accent2); color: #fff; }
.btn-purple:hover { background: #6d28d9; transform: scale(1.02); }
.btn-outline { background: transparent; border: 1px solid var(--border2); color: var(--text); }
.btn-outline:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.04); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

/* ══ FORMULAIRES ══ */
.spt-label {
  display: block; font-size: .8125rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--text2); margin-bottom: 8px;
}
.spt-input {
  width: 100%; background: var(--card2); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; color: var(--text);
  font-size: .9375rem; font-family: var(--font-body);
  transition: border-color .15s, box-shadow .15s;
}
.spt-input:focus { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(124,58,237,.15); }
.spt-input::placeholder { color: var(--muted); }

/* ══ TOAST ══ */
.lks-toast {
  position: fixed; right: 16px; left: 16px; z-index: 9999;
  bottom: calc(var(--bottomnav-h) + 12px);
  background: var(--card2); border: 1px solid var(--border2);
  color: var(--text); padding: 14px 18px; border-radius: var(--radius-lg);
  font-size: .875rem; font-weight: 500; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  animation: toastIn .3s cubic-bezier(.34,1.56,.64,1);
  max-width: 420px; margin: 0 auto;
}
@keyframes toastIn {
  from { opacity:0; transform:translateY(16px) scale(.95); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}

/* ══ UTILITAIRES ══ */
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-muted { color: var(--text2); }
.text-purple{ color: var(--accent2); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

/* ══ BACKWARD COMPAT ══ */
.nav-logo {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 800;
  letter-spacing: -.04em;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-btn { padding: 8px 18px; border-radius: 500px; font-size: .875rem; font-weight: 700; cursor: pointer; transition: all .15s; }
.nav-btn-ghost { background: transparent; border: 1px solid var(--border2); color: var(--text); }
.nav-btn-ghost:hover { border-color: rgba(255,255,255,.3); }
.nav-btn-fill { background: var(--text); color: #000; border: none; }
.nav-btn-fill:hover { background: #e0e0e0; }
.nav-btn-green { background: var(--green); color: #000; border: none; }
.nav-btn-green:hover { background: #16a34a; }

/* ══ MEDIA QUERIES ══ */
@media (min-width: 701px) {
  .lks-bottom-nav    { display: none !important; }
  .lks-mobile-topbar { display: none !important; }
}
@media (max-width: 700px) {
  .lks-bottom-nav { display: flex; align-items: stretch; }
  .lks-mobile-topbar { display: flex; }
  .sidebar { display: none !important; }
  .main {
    margin-left: 0 !important;
    padding-top: calc(var(--topbar-h) + 16px) !important;
    padding-bottom: calc(var(--bottomnav-h) + 16px) !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  nav { padding: 0 16px !important; }
  .nav-links { display: none !important; }
  .hero { padding: 90px 16px 48px !important; }
  h1 { font-size: clamp(1.75rem, 6vw, 2.25rem) !important; }
  .page { padding: 24px 16px !important; }
  .form-row, .form-row-2 { grid-template-columns: 1fr !important; }
  .settings-grid { grid-template-columns: 1fr !important; }
  .two-col, .three-col { grid-template-columns: 1fr !important; }
  .kpi-grid { grid-template-columns: 1fr 1fr !important; gap: 10px !important; }
  .stats-row { grid-template-columns: repeat(3,1fr) !important; gap: 8px !important; }
  .orders-table, [class*="table-wrap"] { overflow-x: auto; }
  table { min-width: 480px; }
  .auth-card { padding: 24px 20px !important; }
  footer { padding-bottom: calc(var(--bottomnav-h) + 24px) !important; }
  .lks-toast { bottom: calc(var(--bottomnav-h) + 12px); }
  .summary-card { position: static !important; }
}
@media (max-width: 400px) {
  .lks-tab-label { font-size: .55rem; }
  .lks-tab { padding: 6px 4px; }
  .lks-tab-center .lks-tab-icon-wrap { width: 40px; height: 40px; border-radius: 12px; }
}
@media (max-width: 700px) {
  .admin-logout { font-size: .65rem !important; padding: 3px 6px !important; }
  .topbar { padding: 0 14px !important; }
  .tb-btn { padding: 6px 10px !important; font-size: .75rem !important; }
  .ca-btn { padding: 5px 10px !important; font-size: .7rem !important; }
  .modal { margin: 16px !important; padding: 20px !important; }
}