/* XFiles - Fresh Modern Design */
:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #1a1a24;
  --border: #2a2a3a;
  --text: #e4e4e7;
  --text-dim: #71717a;
  --primary: #6366f1;
  --primary-dim: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --radius: 12px;
}

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

html { font-size: 15px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.main {
  padding: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

h1 + p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.card-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.card-body { padding: 1rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-control::placeholder { color: var(--text-dim); }

select.form-control,
.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2371717a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  padding-right: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  color: var(--text);
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dim); }

.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline-primary:hover { background: var(--primary); color: #fff; }

.btn-outline-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-outline-secondary:hover { background: var(--surface-2); color: var(--text); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }

/* Action Buttons - Icon style */
.action-btns {
  display: inline-flex;
  gap: 0.35rem;
  flex-wrap: nowrap;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.85rem;
}

.btn-icon:active { transform: scale(0.9); }
.btn-icon:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-icon.primary { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.btn-icon.primary:hover { background: var(--primary); color: #fff; }

.btn-icon.success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.btn-icon.success:hover { background: var(--success); color: #fff; }

.btn-icon.warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.btn-icon.warning:hover { background: var(--warning); color: #fff; }

.btn-icon.danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.btn-icon.danger:hover { background: var(--danger); color: #fff; }

.btn-icon.info { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.btn-icon.info:hover { background: var(--info); color: #fff; }

.btn-icon svg { width: 16px; height: 16px; }

/* Tooltip for action buttons */
.btn-icon[title] { position: relative; }
.btn-icon[title]:hover::after {
  content: attr(title);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  margin-bottom: 4px;
  z-index: 10;
  border: 1px solid var(--border);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.stat-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-number { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.75rem; color: var(--text-dim); margin-top: 0.25rem; }

/* Navigation Tabs */
.nav-tabs-container {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
}

.nav-tabs-container::-webkit-scrollbar { display: none; }

.nav-tab {
  flex-shrink: 0;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.nav-tab:hover { color: var(--text); background: var(--surface-2); }
.nav-tab.active { background: var(--primary); color: #fff; }

/* Tables */
.table-responsive { overflow-x: auto; margin: -0.5rem; padding: 0.5rem; }

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

th {
  text-align: left;
  padding: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 6px;
  text-transform: uppercase;
}

.badge-success, .bg-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-warning, .bg-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger, .bg-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-info, .bg-info { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.badge-secondary { background: var(--surface-2); color: var(--text-dim); }

/* Alert */
.alert {
  padding: 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.alert-success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); color: var(--success); }
.alert-warning { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.2); color: var(--warning); }
.alert-danger { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); color: var(--danger); }
.alert-info { background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.2); color: var(--primary); }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--surface);
}

.modal-title { font-weight: 600; font-size: 1rem; }
.btn-close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dim);
  background: none;
  border: none;
  line-height: 1;
}
.btn-close:hover { color: var(--text); }
.modal-body { padding: 1rem; }
.modal-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-20px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { border-left: 3px solid var(--success); }
.toast-danger { border-left: 3px solid var(--danger); }
.toast-warning { border-left: 3px solid var(--warning); }
.toast-info { border-left: 3px solid var(--info); }

/* Key display */
.key-display {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  word-break: break-all;
  color: var(--primary);
}

/* Utilities */
.d-none { display: none !important; }
.d-flex { display: flex; }
.d-block { display: block; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.align-items-center { align-items: center; }
.text-center { text-align: center; }
.text-end { text-align: right; }
.text-muted { color: var(--text-dim); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.small { font-size: 0.85rem; }
.fw-bold { font-weight: 600; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.me-1 { margin-right: 0.25rem; }
.me-2 { margin-right: 0.5rem; }
.ms-1 { margin-left: 0.25rem; }
.ms-2 { margin-left: 0.5rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.w-100 { width: 100%; }

/* Spinner */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Footer */
.footer {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* iOS input fix */
@media (max-width: 640px) {
  input, select, textarea { font-size: 16px !important; }
}

/* Desktop */
@media (min-width: 640px) {
  .modal { align-items: center; }
  .modal-content { border-radius: var(--radius); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Additional utility for buttons in tables */
.btn-group {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

/* Input group */
.input-group {
  display: flex;
  gap: 0.5rem;
}

.input-group .form-control {
  flex: 1;
}

/* List group */
.list-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.list-group-item {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Checkbox styling */
input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--primary);
}

/* Tab content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Price info styling */
.price-info {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.9rem;
}

/* Device info in tables */
.device-info {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Monospace text */
.font-monospace {
  font-family: 'SF Mono', 'Fira Code', monospace;
}