/* Nooko Design System — Social Video Studio */

:root {
  --bg: #1c1f23;
  --card: #242831;
  --card-secondary: #39414b;
  --card-tertiary: #2d3240;
  --border: #3b3f45;
  --accent: #b7e15f;
  --success: #47c776;
  --error: #e55c50;
  --warning: #f6b44e;
  --text-primary: #ffffff;
  --text-secondary: #d9dee5;
  --text-tertiary: #b0b5ba;
  --text-muted: #6a7282;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--card-secondary); }

/* Sidebar */
.sidebar {
  width: 220px;
  min-height: 100vh;
  background-color: var(--card);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 40;
}

.sidebar-logo {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo span {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.sidebar-logo small {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

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

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}

.sidebar-nav a:hover {
  background-color: var(--card-secondary);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background-color: rgba(183, 225, 95, 0.06);
}

.sidebar-nav .nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.sidebar-nav a.active .nav-icon,
.sidebar-nav a:hover .nav-icon {
  opacity: 1;
}

/* Main layout */
.main-wrapper {
  margin-left: 220px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top bar */
.topbar {
  height: 56px;
  background-color: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Content */
.content {
  flex: 1;
  padding: 28px 24px;
}

/* Cards */
.card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.card-secondary {
  background-color: var(--card-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #1c1f23;
}

.btn-primary:hover {
  background-color: #c8ef70;
}

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

.btn-secondary:hover {
  background-color: #454e5a;
  color: var(--text-primary);
}

.btn-danger {
  background-color: rgba(229, 92, 80, 0.12);
  color: var(--error);
  border: 1px solid rgba(229, 92, 80, 0.3);
}

.btn-danger:hover {
  background-color: rgba(229, 92, 80, 0.2);
}

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

.btn-ghost:hover {
  background-color: var(--card-secondary);
  color: var(--text-primary);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 11px 22px;
  font-size: 15px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Form elements */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--card-tertiary);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-primary);
  font-size: 14px;
  padding: 9px 12px;
  transition: border-color 0.15s;
  outline: none;
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
}

.form-select option {
  background-color: var(--card);
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Stepper */
.stepper {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s;
  position: relative;
}

.step-item:hover {
  background-color: var(--card-secondary);
}

.step-item.active {
  background-color: rgba(183, 225, 95, 0.07);
}

.step-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
  border: 2px solid var(--border);
  background-color: var(--card-secondary);
  color: var(--text-muted);
}

.step-icon.complete {
  border-color: var(--success);
  background-color: rgba(71, 199, 118, 0.1);
  color: var(--success);
}

.step-icon.active {
  border-color: var(--accent);
  background-color: rgba(183, 225, 95, 0.1);
  color: var(--accent);
}

.step-icon.failed {
  border-color: var(--error);
  background-color: rgba(229, 92, 80, 0.1);
  color: var(--error);
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.step-item.active .step-title {
  color: var(--accent);
}

.step-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

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

.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 13px 14px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(59, 63, 69, 0.5);
  vertical-align: middle;
}

.data-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}

.data-table tbody tr:hover {
  background-color: var(--card-secondary);
}

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

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding-left: 34px !important;
}

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

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Brief form sections */
.brief-section {
  background-color: var(--card-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.brief-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

/* Plan review layout */
.plan-split {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 20px;
  min-height: calc(100vh - 200px);
}

.plan-left {
  overflow-y: auto;
}

.plan-right {
  position: sticky;
  top: 80px;
  height: fit-content;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.json-editor {
  font-family: 'Cascadia Code', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.5;
  background-color: #1a1d21;
  color: #b0c4de;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  width: 100%;
  resize: none;
  outline: none;
  min-height: 400px;
}

.json-editor:focus {
  border-color: var(--accent);
}

/* Scene card */
.scene-card {
  background-color: var(--card-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
}

.scene-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.scene-number {
  background-color: var(--accent);
  color: #1c1f23;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.scene-time {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
}

.scene-purpose {
  font-size: 12px;
  font-weight: 600;
  color: var(--warning);
  padding: 2px 7px;
  background-color: rgba(246, 180, 78, 0.08);
  border-radius: 4px;
}

.scene-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  margin-top: 10px;
}

.scene-value {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Generating overlay */
.generating-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 31, 35, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  backdrop-filter: blur(4px);
}

.generating-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  max-width: 380px;
}

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

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

/* Activity log */
.activity-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(59, 63, 69, 0.4);
}

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

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border);
  margin-top: 5px;
  flex-shrink: 0;
}

.activity-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.activity-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  min-width: 240px;
  max-width: 360px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideIn 0.2s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }

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

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--text-secondary);
}

.breadcrumb .sep {
  color: var(--border);
}

.breadcrumb .current {
  color: var(--text-secondary);
}

/* Divider */
.divider {
  height: 1px;
  background-color: var(--border);
  margin: 20px 0;
}

/* Metadata card */
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid rgba(59, 63, 69, 0.4);
  gap: 12px;
}

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

.meta-key {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.meta-value {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: right;
  word-break: break-word;
}

/* Validation status */
.validation-valid {
  color: var(--success);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}

.validation-invalid {
  color: var(--error);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}

.validation-error-list {
  margin-top: 6px;
  font-size: 12px;
  color: var(--error);
  list-style: none;
  padding: 0;
}

.validation-error-list li::before {
  content: "• ";
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.empty-state-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Tabs */
.tab-bar {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
}

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

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Music prompt box */
.music-prompt-box {
  background-color: var(--card-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--card-secondary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

/* Pill list */
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.pill {
  background-color: var(--card-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 100px;
}

/* Plan action bar */
.plan-action-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background-color: var(--card);
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: 0;
  z-index: 20;
}

/* Ref badge */
.ref-badge {
  font-family: monospace;
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--card-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* Responsive tweaks */
@media (max-width: 1024px) {
  .plan-split {
    grid-template-columns: 1fr;
  }
  .plan-right {
    position: static;
    max-height: none;
  }
  .form-grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-wrapper { margin-left: 0; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
}