:root {
  --primary: #2c3e50;
  --accent: #e67e22;
  --sidebar-w: 250px;
  --topbar-h: 60px;
}

* { box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: #f1f3f6; color: #2b2f33; margin: 0; }

/* Login */
#loginPage {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative;
  background: linear-gradient(135deg, #1f2a36 0%, #2c3e50 55%, #3a4a5c 100%);
}
.login-bg { position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(230,126,34,.18), transparent 40%), radial-gradient(circle at 80% 80%, rgba(52,152,219,.15), transparent 40%); }
.login-card { width: 420px; max-width: 92vw; position: relative; border-radius: 16px; }
.login-logo { font-size: 52px; }

/* Layout */
#appShell { display: flex; min-height: 100vh; }
#sidebar {
  width: var(--sidebar-w); background: linear-gradient(180deg, #232f3b, #2c3e50);
  color: #cdd5dd; position: fixed; top: 0; bottom: 0; left: 0; z-index: 100;
  display: flex; flex-direction: column; transition: width .2s;
  overflow-y: auto; overflow-x: hidden;
}
#sidebar.collapsed { width: 60px; }
.sidebar-brand { padding: 18px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-icon { font-size: 26px; }
.brand-sub { font-size: 11px; opacity: .7; }
.sidebar-menu { padding: 10px 8px; flex: 1; }
.menu-section { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: #7f8fa6; padding: 14px 10px 4px; }
.menu-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; margin: 1px 0; border-radius: 8px; color: #cdd5dd; text-decoration: none; font-size: 14px; transition: background .15s; }
.menu-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.menu-item.active { background: var(--accent); color: #fff; font-weight: 600; }
.menu-icon { font-size: 16px; width: 22px; text-align: center; }

.main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; transition: margin .2s; }
.topbar {
  height: var(--topbar-h); background: #fff; border-bottom: 1px solid #e3e7ec;
  display: flex; align-items: center; padding: 0 16px; position: sticky; top: 0; z-index: 90;
}
.breadcrumb-bar { font-size: 13px; color: #6c757d; }
.content { flex: 1; padding: 0; }

/* Cards */
.card { border-radius: 12px; }
.kpi-card { transition: transform .15s; }
.kpi-card:hover { transform: translateY(-2px); }
.kpi-value { font-size: 26px; font-weight: 700; line-height: 1.1; }
.kpi-label { font-size: 12.5px; color: #6c757d; margin-top: 4px; }
.kpi-sub { font-size: 11px; }

/* Tables */
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; white-space: nowrap; }
.table td { font-size: 13.5px; }
.table-hover tbody tr:hover { background: #f6f8fa; }

/* Buttons */
.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-primary:hover { background: #cf6d13; border-color: #cf6d13; }
.btn-outline-primary { color: var(--accent); border-color: var(--accent); }
.btn-outline-primary:hover { background: var(--accent); border-color: var(--accent); }

/* Toasts */
.app-toast {
  position: fixed; top: 16px; right: 16px; z-index: 2000; color: #fff; padding: 12px 18px;
  border-radius: 10px; font-size: 14px; box-shadow: 0 6px 20px rgba(0,0,0,.2);
  opacity: 0; transform: translateY(-10px); transition: all .3s; max-width: 360px;
}
.app-toast.show { opacity: 1; transform: translateY(0); }

.notif-badge { position: absolute; top: -4px; right: -6px; background: #dc3545; color: #fff; border-radius: 10px; font-size: 10px; padding: 1px 5px; }

/* Section cards in pages */
.section-card { background: #fff; border-radius: 12px; padding: 16px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.05); border: 1px solid #e9edf1; }
.section-title { font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }

/* Cutting canvas */
.cut-canvas { width: 100%; border: 1px solid #dee2e6; border-radius: 8px; background: #fff; }

/* Progress */
.progress { height: 8px; }
.progress-sm { height: 6px; }

/* Sidebar collapse on mobile */
@media (max-width: 991.98px) {
  #sidebar { margin-left: -250px; }
  #sidebar.collapsed { margin-left: 0; width: 250px; }
  .main { margin-left: 0; }
}

/* Login page link styling */
a { text-decoration: none; }