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

:root {
  --bg-primary: #0f0e17;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-hover: #1f2945;
  --accent-purple: #7b2ff7;
  --accent-purple-light: rgba(123, 47, 247, 0.15);
  --accent-pink: #e94560;
  --accent-green: #00c897;
  --accent-red: #ff4757;
  --accent-yellow: #ffa726;
  --accent-blue: #4da6ff;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #888;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --sidebar-width: 260px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  -webkit-font-smoothing: antialiased;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-title {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  font-family: 'Inter', sans-serif;
  width: 100%;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-purple-light);
  color: var(--accent-purple);
  font-weight: 600;
}

.nav-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.scanner-link {
  display: block;
  text-align: center;
  padding: 10px;
  background: var(--bg-tertiary);
  color: var(--accent-purple);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s;
}

.scanner-link:hover {
  background: var(--accent-purple-light);
}

/* ===== MOBILE HEADER ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 40;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
}

.mobile-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px;
  min-height: 100vh;
}

.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-icon {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--bg-tertiary);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
  letter-spacing: 0.3px;
}

.stat-total .stat-value { color: var(--accent-blue); }
.stat-today .stat-value { color: var(--accent-green); }
.stat-gunluk .stat-value { color: var(--accent-pink); }
.stat-kombine .stat-value { color: var(--accent-purple); }

.info-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ===== TOOLBAR ===== */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* ===== INPUTS ===== */
.input {
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(123, 47, 247, 0.1);
}

.input::placeholder {
  color: var(--text-muted);
}

.select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23888'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

#search-input {
  flex: 1;
  min-width: 200px;
}

input[type="file"].input {
  padding: 8px;
}

/* ===== BUTTONS ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), #6225c7);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(123, 47, 247, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(123, 47, 247, 0.35);
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-danger {
  background: rgba(255, 71, 87, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(255, 71, 87, 0.2);
}

.btn-danger:hover {
  background: rgba(255, 71, 87, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

/* ===== DATA TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(123, 47, 247, 0.03);
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px !important;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-1gun {
  background: rgba(233, 69, 96, 0.12);
  color: var(--accent-pink);
}

.badge-kombine {
  background: rgba(123, 47, 247, 0.12);
  color: var(--accent-purple);
}

.badge-aktif {
  background: rgba(0, 200, 151, 0.12);
  color: var(--accent-green);
}

.badge-iptal {
  background: rgba(255, 71, 87, 0.12);
  color: var(--accent-red);
}

/* ===== FORM CARD ===== */
.form-card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 600px;
  border: 1px solid var(--border);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group .input {
  width: 100%;
}

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

.form-row .form-group {
  flex: 1;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-purple);
}

.form-result {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.6;
  display: none;
}

.form-result.success {
  display: block;
  background: rgba(0, 200, 151, 0.1);
  border: 1px solid rgba(0, 200, 151, 0.2);
  color: var(--accent-green);
}

.form-result.error {
  display: block;
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.2);
  color: var(--accent-red);
}

/* ===== IMPORT PREVIEW ===== */
.import-preview {
  margin-top: 16px;
  overflow-x: auto;
}

.import-preview table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.import-preview th,
.import-preview td {
  padding: 8px 10px;
  border: 1px solid var(--border);
  text-align: left;
}

.import-preview th {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-weight: 600;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-body {
  padding: 24px;
}

.modal-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.modal-detail-row:last-child {
  border-bottom: none;
}

.modal-label {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.modal-value {
  font-weight: 600;
}

.modal-qr {
  text-align: center;
  margin: 20px 0;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius-sm);
}

.modal-qr img {
  max-width: 200px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.modal-actions .btn {
  flex: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
  }

  .mobile-header {
    display: flex;
  }

  .main-content {
    margin-left: 0;
    padding: 72px 16px 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .toolbar {
    flex-direction: column;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-card {
    max-width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }
}

/* ===== LOADING SPINNER ===== */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  border-top-color: var(--accent-purple);
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  z-index: 200;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  box-shadow: var(--shadow);
}

.toast.success {
  background: var(--accent-green);
}

.toast.error {
  background: var(--accent-red);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; }
}