/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== APP LAYOUT ===== */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--sidebar-text);
  font-size: 24px;
  cursor: pointer;
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--sidebar-text);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--sidebar-active);
  color: #fff;
  font-weight: 600;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.75;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ===== TOPBAR ===== */
.topbar {
  height: var(--topbar-height);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.topbar-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-user-logo {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.topbar-user-label,
.topbar-user-fallback {
  font-weight: 700;
  color: var(--text);
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  flex: 1;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text);
}

.topbar-user {
  font-size: 14px;
  color: var(--text-secondary);
}

.topbar-filters {
  display: flex;
  gap: 8px;
}

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

/* ===== CARD ===== */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background: var(--bg);
}

.text-center { text-align: center; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: var(--bg);
  color: var(--text);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-full { width: 100%; }

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 16px;
  flex: 1;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  color: var(--text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

.form-section-title {
  font-size: 14px;
  font-weight: 700;
  margin: 20px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.select-input {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  cursor: pointer;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

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

.modal-header h2 {
  font-size: 18px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

/* ===== STATUS BADGES ===== */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-paid, .badge-completed, .badge-approved, .badge-delivered { background: var(--success-light); color: var(--success); }
.badge-pending { background: var(--warning-light); color: var(--warning); }
.badge-failed, .badge-cancelled, .badge-declined { background: var(--danger-light); color: var(--danger); }

/* ===== MESSAGE ===== */
.error-message {
  color: var(--danger);
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

.success-message {
  color: var(--success);
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

.info-banner,
.warning-banner {
  padding: 12px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}

.info-banner {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.warning-banner {
  background: var(--warning-light);
  color: var(--warning);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}

.checkbox-label input {
  width: auto;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }