:root {
  --primary: #005EB8;
  --primary-dark: #004a92;
  --accent: #009B4E;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #005EB8;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-section: #475569;
  --topbar-bg: #ffffff;
  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --sidebar-width: 260px;
  --topbar-height: 60px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--body-bg); color: var(--text); font-size: 14px; }

/* ===================== APP LAYOUT ===================== */
.app-wrapper { display: flex; min-height: 100vh; }

/* ===================== SIDEBAR ===================== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  min-height: 100vh;
  position: fixed;
  top: 0; left: 0;
  display: flex; flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform .3s ease;
}

.sidebar-brand {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.brand-icon { font-size: 24px; }
.brand-title { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: .5px; }
.brand-subtitle { font-size: 10px; color: var(--sidebar-text); text-transform: uppercase; letter-spacing: 1px; }
.brand-division { font-size: 11px; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

.sidebar-nav { list-style: none; padding: 12px 0; flex: 1; }
.nav-section {
  padding: 12px 16px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--sidebar-section);
}
.nav-item { padding: 1px 8px; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .15s ease;
}
.nav-link:hover { background: var(--sidebar-hover); color: #fff; }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link i { font-size: 15px; flex-shrink: 0; }

/* ===================== MAIN CONTENT ===================== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===================== TOPBAR ===================== */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow);
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.sidebar-toggle { background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; padding: 4px; border-radius: 6px; }
.sidebar-toggle:hover { background: var(--body-bg); }
.breadcrumb { font-size: 13px; }
.breadcrumb-item a { color: var(--primary); text-decoration: none; }
.breadcrumb-item.active { color: var(--text-muted); }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-user { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text); }
.btn-logout { background: none; border: 1px solid var(--border); color: var(--text-muted); padding: 5px 10px; border-radius: 8px; font-size: 15px; cursor: pointer; }
.btn-logout:hover { background: #fef2f2; color: #dc2626; border-color: #dc2626; }
.role-badge { font-size: 10px; }
.role-admin { background: #7c3aed !important; }
.role-magasinier { background: #005EB8 !important; }

/* ===================== CONTENT AREA ===================== */
.content-area { padding: 24px; flex: 1; }

/* ===================== PAGE HEADER ===================== */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap; gap: 12px;
}
.page-title { font-size: 20px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 10px; margin: 0; }
.page-title i { color: var(--primary); }
.page-date { font-size: 13px; color: var(--text-muted); }

/* ===================== CARD PANEL ===================== */
.card-panel {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.panel-header h5 { margin: 0; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }

/* ===================== STAT CARDS ===================== */
.stat-card {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow);
  border-left: 4px solid;
  transition: transform .15s, box-shadow .15s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-blue { border-left-color: var(--primary); }
.stat-green { border-left-color: var(--accent); }
.stat-red { border-left-color: #dc2626; }
.stat-orange { border-left-color: #ea580c; }
.stat-icon { font-size: 28px; opacity: .8; }
.stat-blue .stat-icon { color: var(--primary); }
.stat-green .stat-icon { color: var(--accent); }
.stat-red .stat-icon { color: #dc2626; }
.stat-orange .stat-icon { color: #ea580c; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* ===================== ALERTS ===================== */
.alert-toast { border-radius: 10px; font-size: 14px; margin-bottom: 16px; }

.alert-list { list-style: none; padding: 0; }
.alert-item { padding: 10px 0; border-bottom: 1px solid var(--border); }
.alert-item:last-child { border-bottom: none; }
.alert-article { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.alert-stock { font-size: 12px; }

/* ===================== TABLES ===================== */
.table { font-size: 13.5px; }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); font-weight: 600; padding: 10px 12px; background: #f8fafc; border-bottom: 2px solid var(--border); }
.table td { padding: 10px 12px; vertical-align: middle; border-color: var(--border); }
.table-hover tbody tr:hover { background: #f8fafc; }

/* ===================== BUTTONS ===================== */
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

/* ===================== FORMS ===================== */
.form-control, .form-select {
  border-radius: 8px;
  border-color: var(--border);
  font-size: 13.5px;
  padding: 8px 12px;
}
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,94,184,.12); }
.form-label { font-size: 13px; margin-bottom: 4px; }

/* ===================== SIDEBAR FOOTER ===================== */
.sidebar-footer {
  padding: 12px 8px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: auto;
}
.sidebar-guide-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  color: #f87171;
  text-decoration: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
  border: 1px solid rgba(248,113,113,.3);
}
.sidebar-guide-btn:hover {
  background: rgba(248,113,113,.12);
  color: #fca5a5;
  border-color: rgba(248,113,113,.5);
}
.sidebar-guide-btn i { font-size: 16px; }

/* ===================== AUTH ===================== */
.auth-body { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%); min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-container { width: 100%; max-width: 440px; padding: 20px; }
.login-card { background: #fff; border-radius: 20px; padding: 40px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-title { font-size: 28px; font-weight: 800; color: var(--primary); letter-spacing: 3px; }
.login-subtitle { font-size: 11px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.4; }
.login-divider { height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; margin: 16px 0; }
.login-app { font-size: 16px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
.login-division { font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: 2px; margin-top: 4px; }
.login-btn { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border: none; font-weight: 600; letter-spacing: .5px; padding: 12px; border-radius: 10px; }
.login-btn:hover { background: linear-gradient(135deg, var(--primary-dark), #003a72); }
.login-footer { text-align: center; font-size: 11px; color: var(--text-muted); margin-top: 20px; margin-bottom: 0; }