/* public/css/style.css */
/* FeedVault Design System — Dark Industrial Theme */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Backgrounds */
  --bg-page: #0c0f17;
  --bg-card: #131825;
  --bg-card-alt: #0c0f17;
  --bg-hover: #1a1f2e;
  --bg-input: #0c0f17;
  --bg-overlay: rgba(0, 0, 0, 0.7);
  --bg-secondary: #1a1f2e;

  /* Borders */
  --border: #1e293b;
  --border-focus: #3b82f6;

  /* Text */
  --text-primary: #f3f4f6;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-label: #9ca3af;

  /* Status */
  --green: #22c55e;
  --yellow: #f59e0b;
  --red: #ef4444;
  --blue: #3b82f6;

  /* Fonts */
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --gap-xs: 4px;
  --gap-sm: 8px;
  --gap-md: 16px;
  --gap-lg: 24px;
  --gap-xl: 32px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-badge: 8px;

  /* Sidebar */
  --sidebar-width: 260px;
}

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

html, body {
  height: 100%;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

button {
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  transition: opacity 0.15s;
}
button:hover {
  opacity: 0.85;
}
button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

input, textarea, select {
  font-family: var(--font-ui);
  font-size: 13px;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--border-focus);
}

/* ============================================
   Labels
   ============================================ */
.label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-label);
  margin-bottom: var(--gap-xs);
}

/* ============================================
   Monospace
   ============================================ */
.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ============================================
   Layout
   ============================================ */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 var(--gap-lg);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
}

.topbar-logo {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
}
.topbar-logo:hover {
  text-decoration: none;
}

.topbar-breadcrumb {
  font-size: 13px;
  color: var(--text-secondary);
}
.topbar-breadcrumb a {
  color: var(--text-secondary);
}
.topbar-breadcrumb span {
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  font-size: 13px;
  color: var(--text-secondary);
}

.topbar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.topbar-link {
  font-size: 12px;
  color: var(--text-muted);
}
.topbar-link:hover {
  color: var(--text-primary);
}

.content-wrapper {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: var(--gap-md) 0;
  flex-shrink: 0;
  transition: margin-left 0.2s;
}

.sidebar.collapsed {
  margin-left: calc(-1 * var(--sidebar-width));
}

.sidebar-toggle {
  position: absolute;
  left: var(--sidebar-width);
  top: 64px;
  z-index: 50;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  padding: 0;
  transition: left 0.2s;
}

.sidebar.collapsed + .sidebar-toggle {
  left: 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 8px var(--gap-md);
  cursor: pointer;
  transition: background 0.1s;
  border-left: 3px solid transparent;
}
.sidebar-item:hover {
  background: var(--bg-hover);
}
.sidebar-item.active {
  background: var(--bg-hover);
  border-left-color: var(--blue);
}

.sidebar-item .badge {
  flex-shrink: 0;
}

.sidebar-item-name {
  flex: 1;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-item-count {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.sidebar-btn-new {
  margin: var(--gap-md);
}

.main {
  flex: 1;
  overflow-y: auto;
  padding: var(--gap-lg);
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-secondary {
  background: var(--border);
  color: var(--text-primary);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

.btn-icon {
  background: transparent;
  color: var(--text-muted);
  padding: 4px 6px;
  font-size: 14px;
}
.btn-icon:hover {
  color: var(--text-primary);
  opacity: 1;
}

.btn-full {
  width: 100%;
}

/* ============================================
   Badges (Platform icons)
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-badge);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.badge-sm {
  width: 24px;
  height: 24px;
  font-size: 10px;
}

.badge-lg {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

/* ============================================
   Status indicators
   ============================================ */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.green { background: var(--green); }
.status-dot.yellow { background: var(--yellow); }
.status-dot.red { background: var(--red); }

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
}

/* ============================================
   Status line (Home view)
   ============================================ */
.status-line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  padding: var(--gap-sm) 0 var(--gap-md);
}
.status-line .status-dot {
  margin-right: var(--gap-xs);
}

/* ============================================
   Alert banners
   ============================================ */
.alerts {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-lg);
}

.alert-item {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 8px var(--gap-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--yellow);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.1s;
}
.alert-item:hover {
  background: var(--bg-hover);
}
.alert-item.alert-red {
  border-left-color: var(--red);
}

/* ============================================
   Platform grid (Home view)
   ============================================ */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-md);
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.platform-card:hover {
  border-color: var(--text-muted);
  background: var(--bg-hover);
}

.platform-card-header {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-sm);
}

.platform-card-name {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.platform-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-sm);
}

.platform-card-stats {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

.platform-card-bar {
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  margin-top: var(--gap-sm);
  overflow: hidden;
}

.platform-card-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s;
}

/* ============================================
   Platform Detail Header
   ============================================ */
.platform-header {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
  flex-wrap: wrap;
}

.platform-header-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}

.platform-header-name {
  font-size: 20px;
  font-weight: 700;
}

.platform-header-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.platform-header-actions {
  display: flex;
  gap: var(--gap-sm);
  align-items: center;
}

.sftp-short {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  padding: 4px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.sftp-short:hover {
  border-color: var(--text-muted);
}

/* ============================================
   SFTP Credentials Box (collapsible)
   ============================================ */
.sftp-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--gap-md);
  margin-bottom: var(--gap-lg);
  display: none;
}
.sftp-box.open {
  display: block;
}

.sftp-row {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-sm);
}

.sftp-row .label {
  width: 80px;
  flex-shrink: 0;
  margin-bottom: 0;
}

.sftp-value {
  font-family: var(--font-mono);
  font-size: 13px;
  flex: 1;
}

.sftp-password {
  letter-spacing: 2px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 8px 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-label);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  transition: background 0.1s;
}
tbody tr:nth-child(odd) {
  background: var(--bg-card-alt);
}
tbody tr:nth-child(even) {
  background: var(--bg-card);
}
tbody tr:hover {
  background: var(--bg-hover);
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

td.wrap {
  white-space: normal;
  max-width: 200px;
}

.feed-status-valid {
  color: var(--green);
}
.feed-status-invalid {
  color: var(--red);
}
.feed-status-missing {
  color: var(--yellow);
}

.feed-actions {
  display: flex;
  gap: 2px;
}

/* ============================================
   Activity section (collapsible)
   ============================================ */
.activity-section {
  margin-top: var(--gap-lg);
}

.activity-header {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  cursor: pointer;
  padding: var(--gap-sm) 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-label);
}

.activity-header:hover {
  color: var(--text-secondary);
}

.activity-body {
  display: none;
}
.activity-body.open {
  display: block;
}

.activity-entry {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 4px 0;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.activity-entry.failed {
  color: var(--red);
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--gap-md);
}

.modal-body {
  margin-bottom: var(--gap-lg);
}

.modal-field {
  margin-bottom: var(--gap-md);
}

.modal-field label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-label);
  margin-bottom: var(--gap-xs);
}

.modal-field input,
.modal-field textarea,
.modal-field select {
  width: 100%;
}

.modal-field textarea {
  min-height: 60px;
  resize: vertical;
}

.modal-warning {
  padding: var(--gap-sm) var(--gap-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-size: 12px;
  margin-bottom: var(--gap-md);
}

.modal-warning.warning-yellow {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--yellow);
}

.modal-credentials {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--gap-md);
  font-family: var(--font-mono);
  font-size: 13px;
  margin-bottom: var(--gap-md);
}

.modal-credentials-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-sm);
}

.modal-credentials-row:last-child {
  margin-bottom: 0;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--gap-sm);
}

.slug-preview {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 0;
}

.color-presets {
  display: flex;
  gap: var(--gap-sm);
  flex-wrap: wrap;
  margin-bottom: var(--gap-sm);
}

.color-preset {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s;
}
.color-preset:hover,
.color-preset.selected {
  border-color: #fff;
}

/* ============================================
   XML Preview (in modal)
   ============================================ */
.xml-preview {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--gap-md);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  max-height: 400px;
  overflow: auto;
  white-space: pre;
  color: var(--text-secondary);
}

/* ============================================
   Audit Log
   ============================================ */
.audit-action {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ============================================
   Copy button
   ============================================ */
.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 2px 8px;
  font-size: 11px;
  border-radius: var(--radius-sm);
}
.copy-btn:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}
.copy-btn.copied {
  color: var(--green);
  border-color: var(--green);
}

/* ============================================
   Toggle switch (SFTP enabled/disabled)
   ============================================ */
.toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: var(--text-primary);
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-slider {
  background: var(--green);
}
.toggle input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

/* ============================================
   Empty state
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--gap-xl) var(--gap-md);
  color: var(--text-muted);
}
.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--gap-md);
}
.empty-state-text {
  font-size: 15px;
  margin-bottom: var(--gap-md);
}

/* ============================================
   Loading spinner
   ============================================ */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sidebar {
    position: fixed;
    top: 52px;
    left: 0;
    bottom: 0;
    z-index: 90;
    transform: translateX(0);
    transition: transform 0.2s;
  }
  .sidebar.collapsed {
    transform: translateX(-100%);
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
  .topbar {
    padding: 0 var(--gap-md);
  }
  .topbar-breadcrumb {
    display: none;
  }
  .main {
    padding: var(--gap-md);
  }
  .platform-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .modal {
    margin: var(--gap-md);
    max-width: calc(100vw - 32px);
  }

  /* Horizontal scroll for tables on mobile */
  .table-wrap {
    margin: 0 calc(-1 * var(--gap-md));
    padding: 0 var(--gap-md);
  }
}

/* ============================================
   Type toggle (Create Platform Modal)
   ============================================ */
.type-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.type-toggle-btn {
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 16px;
  font-size: 13px;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.type-toggle-btn:hover {
  background: var(--bg-hover);
}
.type-toggle-btn.selected {
  background: var(--blue);
  color: #fff;
}

/* ============================================
   HTTP Auth Box
   ============================================ */
.http-auth-box {
  margin-bottom: var(--gap-md);
}

/* ============================================
   Hub Directory Cards
   ============================================ */
.hub-directory-card {
  transition: border-color 0.15s;
}
.hub-directory-card:hover {
  border-color: var(--text-muted);
}

/* Secondary background token for hub/type labels */
.bg-secondary {
  background: var(--bg-card-alt);
}

/* Language toggle */
.lang-toggle {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-right: 8px;
}
.lang-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 2px 4px;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.15s;
  line-height: 0;
}
.lang-btn.active {
  opacity: 1;
  border-color: var(--border);
}
.lang-btn:hover {
  opacity: 0.8;
}