/* ==========================================
   KW FILTER STYLES - OPTIMIZED
   ========================================== */

:root {
  --bg-primary: #0a0e1b;
  --bg-secondary: #131827;
  --bg-tertiary: #1a1d2e;
  --text-primary: #e4e8f0;
  --text-secondary: #8b92a7;
  --primary: #3b82f6;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --border: #262b3d;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.hint {
  color: var(--text-secondary);
  font-weight: normal;
  font-size: 0.85rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.2s;
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.prompt-editor {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-help {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.char-counter {
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.char-counter.warning {
  color: var(--warning);
}

.char-counter.error {
  color: var(--error);
}

.filter-description {
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.prompt-help {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.prompt-help code {
  background: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  color: var(--primary);
}

/* Briefing Upload Zone */
.briefing-upload-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 1rem;
}

.briefing-upload-zone:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.briefing-upload-zone.dragover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.upload-icon-small {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.briefing-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem;
  transition: all 0.2s;
}

.btn-icon:hover {
  color: var(--error);
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.upload-text {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Alert */
.alert {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-tertiary);
  padding: 1.25rem;
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-card.stat-success {
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.05);
}

.stat-card.stat-error {
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.05);
}

.stat-card.stat-warning {
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.05);
}

.stat-card.stat-info {
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Progress Bar */
.progress-container {
  margin-bottom: 1.5rem;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
  transition: width 0.3s ease;
  border-radius: 6px;
}

.progress-text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Buttons */
.button-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
  min-width: 150px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

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

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-warning {
  background: var(--warning);
  color: white;
}

.btn-warning:hover {
  background: #d97706;
}

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Realtime Display */
.realtime-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.realtime-column {
  background: var(--bg-tertiary);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.column-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.column-title.success {
  color: var(--success);
}

.column-title.error {
  color: var(--error);
}

.keyword-list {
  max-height: 400px;
  overflow-y: auto;
}

.keyword-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.keyword-item:hover {
  transform: translateX(4px);
}

.keyword-item.approved {
  border-left: 3px solid var(--success);
}

.keyword-item.rejected {
  border-left: 3px solid var(--error);
}

.keyword-name {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.keyword-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Log Container */
#logContainer {
  max-height: 300px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
}

.log-entry {
  padding: 0.5rem;
  margin-bottom: 0.25rem;
  border-left: 3px solid var(--border);
  border-radius: 4px;
}

.log-entry.info {
  border-left-color: var(--primary);
}

.log-entry.success {
  border-left-color: var(--success);
}

.log-entry.warning {
  border-left-color: var(--warning);
}

.log-entry.error {
  border-left-color: var(--error);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .header h1 {
    font-size: 2rem;
  }

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

  .realtime-columns {
    grid-template-columns: 1fr;
  }

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

  .btn {
    min-width: 100%;
  }
}