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

:root {
  --primary: #3b6be0;
  --primary-dark: #2853c2;
  --primary-light: #eef2ff;
  --success: #16a34a;
  --success-light: #dcfce7;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --info: #0891b2;
  --info-light: #cffafe;
  --dark: #0f172a;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  min-height: 100vh;
  display: flex;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--dark);
  min-height: 100vh;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: 4px 0 24px rgba(0,0,0,0.15);
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo h2 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.sidebar-logo p {
  color: var(--gray-400);
  font-size: 12px;
  margin-top: 2px;
}

.sidebar-logo .badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  margin-top: 6px;
}

.sidebar-nav {
  padding: 16px 0;
  flex: 1;
}

.nav-section-label {
  color: var(--gray-500);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 8px 20px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: all 0.18s ease;
  position: relative;
}

.nav-item:hover {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

.nav-item.active {
  color: #fff;
  background: rgba(59,107,224,0.25);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.nav-item .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-item .step-num {
  margin-left: auto;
  background: rgba(255,255,255,0.1);
  color: var(--gray-400);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer p {
  color: var(--gray-500);
  font-size: 11px;
}

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

/* ===== PAGE HEADER ===== */
.page-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-header-left h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header-left p {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.page-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ===== CONTENT AREA ===== */
.content {
  padding: 28px 32px;
  flex: 1;
}

/* ===== CARDS ===== */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
}

.card-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59,107,224,0.4);
}

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover {
  background: #15803d;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22,163,74,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
}

.btn-ghost {
  background: var(--gray-100);
  color: var(--gray-700);
}
.btn-ghost:hover {
  background: var(--gray-200);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 3px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--gray-800);
  background: #fff;
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,107,224,0.12);
}

.form-control::placeholder { color: var(--gray-400); }

select.form-control { cursor: pointer; }

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.form-hint {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 5px;
}

.form-row {
  display: grid;
  gap: 16px;
}
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ===== SECTION DIVIDER ===== */
.section-divider {
  border: none;
  border-top: 1.5px solid var(--gray-200);
  margin: 28px 0;
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== STATUS BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ===== CHECKLIST ITEMS ===== */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}

.checklist-item:last-child { border-bottom: none; }

.check-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.check-wrap input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checklist-item-content {
  flex: 1;
}

.checklist-item-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-800);
}

.checklist-item.checked .checklist-item-title {
  text-decoration: line-through;
  color: var(--gray-400);
}

.checklist-item-desc {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

.checklist-item-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ===== PROGRESS BAR ===== */
.progress-bar-wrap {
  background: var(--gray-100);
  border-radius: 99px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #7c3aed);
  border-radius: 99px;
  transition: width 0.5s ease;
}

.progress-bar-fill.success {
  background: linear-gradient(90deg, var(--success), #059669);
}

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.stat-icon.blue { background: var(--primary-light); }
.stat-icon.green { background: var(--success-light); }
.stat-icon.yellow { background: var(--warning-light); }
.stat-icon.red { background: var(--danger-light); }

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ===== TABS ===== */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
}

.tab-btn {
  padding: 10px 18px;
  border: none;
  background: none;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.18s;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover { color: var(--primary); background: var(--primary-light); }
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--gray-200);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-50); }

/* ===== ALERT ===== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 20px;
}

.alert-icon { font-size: 16px; flex-shrink: 0; }

.alert-info { background: var(--info-light); border: 1px solid #a5f3fc; color: var(--info); }
.alert-success { background: var(--success-light); border: 1px solid #bbf7d0; color: var(--success); }
.alert-warning { background: var(--warning-light); border: 1px solid #fde68a; color: var(--warning); }

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gray-200);
}

.timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gray-300);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--gray-300);
}

.timeline-dot.done { background: var(--success); box-shadow: 0 0 0 2px var(--success); }
.timeline-dot.active { background: var(--primary); box-shadow: 0 0 0 2px var(--primary); }
.timeline-dot.pending { background: var(--warning); box-shadow: 0 0 0 2px var(--warning); }

.timeline-date {
  font-size: 12px;
  color: var(--gray-400);
  font-weight: 500;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 13px;
  color: var(--gray-500);
}

/* ===== PRINT ===== */
@media print {
  .sidebar, .page-header-right, .no-print { display: none !important; }
  .main { margin-left: 0; }
  .content { padding: 0; }
  .page-header { position: static; border: none; padding: 0 0 16px; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  :root { --sidebar-width: 0px; }
  .sidebar { transform: translateX(-260px); width: 260px; transition: transform 0.3s; }
  .sidebar.open { transform: translateX(0); --sidebar-width: 260px; }
  .main { margin-left: 0; }
  .content { padding: 20px 16px; }
  .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
}