*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0b1221;
  --surface: #131c2e;
  --surface2: #1a2438;
  --border: #28344a;
  --accent: #10b981;
  --accent2: #34d399;
  --accent-light: rgba(16,185,129,0.12);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #38bdf8;
  --muted: #5b6b85;
  --text: #e6ebf5;
  --text2: #9aa5be;
  --sidebar-w: 248px;
  --radius: 12px;
  --radius-sm: 8px;
}

body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; display: flex; overflow: hidden; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }

/* LOGIN */
#login-screen {
  position: fixed; inset: 0; z-index: 999;
  background: linear-gradient(135deg, #0b1221 0%, #06251a 50%, #0b1221 100%);
  display: flex; align-items: center; justify-content: center;
}
.login-card {
  width: 460px; max-width: 95vw;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}
.login-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
.login-brand { font-size: 22px; font-weight: 800; }
.login-brand span { color: var(--accent2); }
.login-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.login-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.login-desc { font-size: 13px; color: var(--text2); margin-bottom: 28px; }
.login-field { margin-bottom: 18px; }
.login-field label { display: block; font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 7px; }
.login-field input { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; padding: 11px 14px; outline: none; transition: border-color 0.15s; font-family: inherit; }
.login-field input:focus { border-color: var(--accent); }
.pwd-wrap { position: relative; }
.pwd-wrap input { padding-right: 44px; }
.pwd-eye { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; font-size: 16px; color: var(--muted); }
.login-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); border-radius: 8px; padding: 10px 14px; font-size: 13px; color: var(--danger); margin-bottom: 14px; }
.demo-creds { margin-top: 24px; background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.25); border-radius: 10px; padding: 16px 18px; }
.demo-creds-title { font-size: 12px; font-weight: 700; color: var(--accent2); margin-bottom: 10px; }
.demo-creds-row { font-size: 13px; color: var(--text2); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.demo-creds-row span { color: var(--muted); }
.demo-pwd { color: var(--text); font-size: 14px; letter-spacing: 0.5px; }
.copy-btn { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; color: var(--text2); font-size: 11px; padding: 3px 8px; cursor: pointer; transition: all 0.15s; }
.copy-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.login-footer { margin-top: 20px; text-align: center; font-size: 12px; color: var(--muted); }

/* APP layout */
#app { display: flex; flex: 1; min-height: 100vh; width: 100%; }

/* Sidebar */
.sidebar { width: var(--sidebar-w); min-width: var(--sidebar-w); background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; height: 100vh; position: sticky; top: 0; }
.sidebar-logo { padding: 20px 20px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; color:#fff; }
.logo-text { font-size: 16px; font-weight: 700; }
.logo-text span { color: var(--accent2); }
.version { font-size: 10px; color: var(--muted); margin-top: 1px; }
.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-section { margin-bottom: 18px; }
.nav-section-label { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; padding: 0 10px; margin-bottom: 6px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; cursor: pointer; font-size: 13.5px; font-weight: 500; color: var(--text2); transition: all 0.15s; margin-bottom: 2px; border: none; background: none; width: 100%; text-align: left; font-family: inherit; }
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--accent-light); color: var(--accent2); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.badge { margin-left: auto; padding: 1px 7px; border-radius: 20px; font-size: 10px; font-weight: 700; background: var(--accent-light); color: var(--accent2); }
.badge.danger { background: rgba(239,68,68,0.18); color: var(--danger); }
.badge.warn { background: rgba(245,158,11,0.18); color: var(--warning); }
.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; color:#fff; }
.avatar-info .name { font-size: 13px; font-weight: 600; }
.avatar-info .role { font-size: 11px; color: var(--muted); }

/* Main */
.main { flex: 1; overflow-y: auto; height: 100vh; }
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(11,18,33,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); padding: 0 28px; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-title { font-size: 18px; font-weight: 700; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: all 0.15s; font-family: inherit; line-height: 1.2; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #059669; }
.btn-outline { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent2); color: var(--accent2); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-warn { background: var(--warning); color: #0b1221; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text2); border: none; padding: 4px 8px; }
.btn-ghost:hover { color: var(--accent2); }

.quick-btn { flex-direction: column; align-items: flex-start; gap: 4px; padding: 16px; height: auto; text-align: left; }

/* Pages */
.page { display: none; padding: 28px; }
.page.active { display: block; }

/* Greeting */
.greeting { font-size: 13.5px; color: var(--text2); margin-bottom: 18px; padding: 12px 16px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); }
.greeting strong { color: var(--text); }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; position: relative; overflow: hidden; min-height: 110px; }
.kpi-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--kpi-color, var(--accent)); }
.kpi-card.warn::after { --kpi-color: var(--warning); }
.kpi-card.danger::after { --kpi-color: var(--danger); }
.kpi-card.info::after { --kpi-color: var(--info); }
.kpi-label { font-size: 11px; color: var(--text2); font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.6px; }
.kpi-value { font-size: 28px; font-weight: 800; color: var(--text); line-height: 1; margin-bottom: 6px; letter-spacing: -0.5px; }
.kpi-sub { font-size: 12px; color: var(--muted); }
.kpi-icon { position: absolute; right: 16px; top: 20px; font-size: 30px; opacity: 0.18; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }

/* Card */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-title { font-size: 14px; font-weight: 700; }
.card-body { padding: 20px; }

/* Alert pill */
.alert-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 8px; margin-bottom: 8px; background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); }
.alert-row.warn { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.2); }
.alert-icon { font-size: 18px; }
.alert-text { flex: 1; }
.alert-text strong { font-size: 13px; font-weight: 700; color: var(--text); }
.alert-text small { display: block; font-size: 11px; color: var(--text2); margin-top: 2px; }
.alert-action { font-size: 12px; font-weight: 600; color: var(--accent2); cursor: pointer; white-space: nowrap; background:none; border:none; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 14px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid rgba(40,52,74,0.5); color: var(--text2); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface2); color: var(--text); }
.td-strong { font-weight: 600; color: var(--text); }

/* Stock bar */
.stock-bar-wrap { display: flex; align-items: center; gap: 8px; }
.stock-bar-bg { flex: 1; height: 6px; background: var(--border); border-radius: 10px; overflow: hidden; max-width: 110px; }
.stock-bar-fill { height: 100%; border-radius: 10px; transition: width 0.5s; }
.stock-ok .stock-bar-fill { background: var(--accent); }
.stock-warn .stock-bar-fill { background: var(--warning); }
.stock-low .stock-bar-fill { background: var(--danger); }
.stock-num { font-size: 13px; font-weight: 700; color: var(--text); min-width: 50px; }

/* Status */
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.chip-in { background: rgba(16,185,129,0.14); color: var(--accent2); }
.chip-out { background: rgba(239,68,68,0.14); color: var(--danger); }
.chip-adjust { background: rgba(56,189,248,0.14); color: var(--info); }
.chip-cat { background: var(--surface2); color: var(--text2); }
.chip-rupture-soon { background: rgba(239,68,68,0.14); color: var(--danger); font-weight: 700; }
.chip-rupture-mid { background: rgba(245,158,11,0.14); color: var(--warning); font-weight: 700; }
.chip-rupture-ok { background: rgba(16,185,129,0.12); color: var(--accent2); font-weight: 600; }

/* Filter */
.filter-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 220px; display: flex; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0 14px 0 36px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 14px; }
.search-box input { background: none; border: none; outline: none; color: var(--text); font-size: 13px; flex: 1; padding: 9px 0; font-family: inherit; }
.search-box input::placeholder { color: var(--muted); }
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tab { padding: 7px 14px; border-radius: 8px; font-size: 12px; font-weight: 600; cursor: pointer; border: 1px solid var(--border); background: var(--surface); color: var(--text2); transition: all 0.15s; font-family: inherit; }
.filter-tab:hover { border-color: var(--accent2); color: var(--accent2); }
.filter-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.6px; }
input, select, textarea { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 13.5px; padding: 9px 12px; outline: none; transition: border-color 0.15s; font-family: inherit; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
select { cursor: pointer; }
input[type="number"].count-input { padding: 6px 10px; width: 110px; font-size: 13px; }

/* Move type */
.move-type-selector { display: flex; gap: 10px; margin-bottom: 8px; }
.move-type-btn { flex: 1; padding: 14px; border-radius: 10px; border: 2px solid var(--border); background: var(--surface); cursor: pointer; text-align: center; transition: all 0.2s; font-family: inherit; color: var(--text2); }
.move-type-btn.selected-in { border-color: var(--accent); background: var(--accent-light); color: var(--accent2); }
.move-type-btn.selected-out { border-color: var(--danger); background: rgba(239,68,68,0.1); color: var(--danger); }
.move-type-btn.selected-adjust { border-color: var(--info); background: rgba(56,189,248,0.1); color: var(--info); }
.move-type-btn span { display: block; font-size: 22px; margin-bottom: 4px; }
.move-type-btn strong { font-size: 13px; }

/* Supplier */
.supplier-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.supplier-name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.supplier-detail { font-size: 12px; color: var(--text2); display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); z-index: 500; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; width: 600px; max-width: 95vw; max-height: 90vh; overflow-y: auto; box-shadow: 0 25px 60px rgba(0,0,0,0.5); }
.modal-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close { background: transparent; border: none; color: var(--text2); cursor: pointer; font-size: 18px; padding: 4px 8px; border-radius: 6px; }
.modal-close:hover { background: var(--surface2); color: var(--text); }
.modal-body { padding: 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Commande modal items */
.cmd-supplier-block { background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 14px; overflow: hidden; }
.cmd-supplier-head { padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); background: rgba(16,185,129,0.05); }
.cmd-supplier-name { font-size: 13px; font-weight: 700; color: var(--text); }
.cmd-supplier-meta { font-size: 11px; color: var(--muted); }
.cmd-line { display: grid; grid-template-columns: 1fr 90px 90px 80px; gap: 10px; padding: 8px 16px; align-items: center; border-bottom: 1px solid rgba(40,52,74,0.4); font-size: 12.5px; }
.cmd-line:last-child { border-bottom: none; }
.cmd-line input { padding: 5px 8px; font-size: 12px; }
.cmd-line .mat-name { color: var(--text); font-weight: 600; }
.cmd-line .mat-stock { color: var(--text2); font-size: 11px; }

/* Bon de commande print preview */
.bon-doc { background: #fff; color: #111827; padding: 32px 36px; border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 13px; line-height: 1.5; }
.bon-doc h1, .bon-doc h2, .bon-doc h3 { color: #111827; }
.bon-doc .doc-header { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 16px; border-bottom: 2px solid var(--accent); margin-bottom: 22px; }
.bon-doc .doc-brand { font-size: 22px; font-weight: 800; color: var(--accent); }
.bon-doc .doc-brand small { display:block; font-size: 11px; color:#6b7280; font-weight: 500; margin-top: 4px; letter-spacing: 0.4px; }
.bon-doc .doc-title { text-align: right; font-size: 18px; font-weight: 800; color: #111827; }
.bon-doc .doc-title small { display: block; font-size: 11px; color: #6b7280; font-weight: 500; margin-top: 4px; }
.bon-doc .doc-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.bon-doc .doc-party { background: #f3f4f6; padding: 12px 14px; border-radius: 6px; }
.bon-doc .doc-party-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.6px; color: #6b7280; font-weight: 700; margin-bottom: 6px; }
.bon-doc .doc-party-body { font-size: 12.5px; color: #111827; }
.bon-doc table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-bottom: 18px; }
.bon-doc thead th { background: #111827; color: #fff; padding: 8px 10px; text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.bon-doc tbody td { padding: 8px 10px; border-bottom: 1px solid #e5e7eb; color: #111827; }
.bon-doc tfoot td { padding: 8px 10px; font-weight: 700; }
.bon-doc .doc-totals { display: flex; justify-content: flex-end; }
.bon-doc .doc-totals-box { min-width: 240px; background: #f3f4f6; padding: 12px 16px; border-radius: 6px; }
.bon-doc .doc-totals-row { display: flex; justify-content: space-between; font-size: 12.5px; padding: 3px 0; color: #111827; }
.bon-doc .doc-totals-row.total { font-weight: 800; border-top: 1px solid #d1d5db; padding-top: 8px; margin-top: 6px; font-size: 14px; }
.bon-doc .doc-footer { margin-top: 26px; padding-top: 14px; border-top: 1px solid #e5e7eb; font-size: 11px; color: #6b7280; text-align: center; }

@media print {
  body * { visibility: hidden; }
  #bon-modal, #bon-modal * { visibility: visible; }
  #bon-modal { position: fixed !important; inset: 0 !important; background: #fff !important; padding: 0 !important; backdrop-filter: none !important; display: block !important; overflow: visible !important; }
  #bon-modal .modal-box { width: 100% !important; max-width: 100% !important; max-height: none !important; border: none !important; border-radius: 0 !important; box-shadow: none !important; background: #fff !important; }
  .no-print, .modal-footer { display: none !important; }
  .bon-doc { padding: 12mm; border-radius: 0; }
}

/* Toast */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 20px; border-radius: 10px; font-size: 13px; font-weight: 600; transform: translateY(100px); opacity: 0; transition: all 0.3s; z-index: 1000; display: flex; align-items: center; gap: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.5); }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--accent); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.warn { background: var(--warning); color: #0b1221; }

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .sidebar { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page { padding: 16px; }
}