/* Simple, Sharp & Technical Light (White) Minimalist CSS Style */
:root {
  --bg-color: #f8fafc;
  --panel-bg: #ffffff;
  --panel-border: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-dark: #94a3b8;

  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-text: #ffffff;

  --accent-color: #0284c7;
  --success-color: #16a34a;
  --warning-color: #d97706;
  --danger-color: #dc2626;

  --table-header-bg: #f1f5f9;
  --table-border: #e2e8f0;
  --table-hover: #f8fafc;
  --input-bg: #ffffff;
  --font-mono: 'Consolas', 'Cascadia Code', 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.app-header {
  border-bottom: 2px solid var(--panel-border);
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.symbol {
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 22px;
  color: var(--primary-color);
}

.brand h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #0f172a;
}

.badge {
  background-color: #e2e8f0;
  color: #475569;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 0px;
  font-weight: bold;
}

.subtitle {
  color: var(--text-muted);
  font-size: 13px;
}

/* Main Panels */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 0px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.panel-header {
  background-color: #f1f5f9;
  border-bottom: 1px solid var(--panel-border);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-header h2 {
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.panel-body {
  padding: 16px;
}

/* Editable Input Area (Web Format Supported) */
.editable-input-area {
  width: 100%;
  min-height: 160px;
  max-height: 350px;
  overflow-y: auto;
  background-color: var(--input-bg);
  color: var(--text-main);
  border: 1px solid var(--panel-border);
  padding: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  outline: none;
  border-radius: 0px;
}

.editable-input-area:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 1px var(--primary-color);
}

.editable-input-area[placeholder]:empty:before {
  content: attr(placeholder);
  color: #94a3b8;
  font-style: italic;
}

.editable-input-area a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Buttons */
.btn {
  background-color: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.1s ease;
}

.btn:hover:not(:disabled) {
  background-color: #f1f5f9;
  border-color: #94a3b8;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-action {
  background-color: #059669;
  color: #ffffff;
  border-color: #059669;
  font-weight: 700;
  padding: 8px 16px;
}

.btn-action:hover:not(:disabled) {
  background-color: #10b981;
  border-color: #10b981;
}

.btn-danger {
  background-color: var(--danger-color);
  color: #ffffff;
  border-color: var(--danger-color);
}

.btn-danger:hover:not(:disabled) {
  background-color: #b91c1c;
}

/* Filter Controls */
.filter-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.folder-group {
  background-color: #f8fafc;
  padding: 12px;
  border: 1px solid #e2e8f0;
}

.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.input-with-button {
  display: flex;
  gap: 8px;
}

.input-with-button input {
  flex: 1;
  background-color: var(--input-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: 0px;
  outline: none;
}

.input-with-button input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 1px var(--primary-color);
}

.quick-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.chips-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.chip {
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 0px;
  font-family: var(--font-mono);
}

.chip:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

.chip.active {
  background-color: #eff6ff;
  border-color: #2563eb;
  color: #1d4ed8;
  font-weight: bold;
}

.interval-setting {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--panel-border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.interval-setting select {
  background-color: var(--input-bg);
  color: var(--text-main);
  border: 1px solid var(--panel-border);
  padding: 4px 8px;
  font-size: 13px;
  outline: none;
  border-radius: 0px;
}

/* Stats Summary */
.stats-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.stat-badges {
  display: flex;
  gap: 10px;
  font-size: 12px;
}

.badge-stat {
  background-color: #ffffff;
  border: 1px solid var(--panel-border);
  padding: 3px 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.badge-stat strong {
  color: #0f172a;
}

.badge-active strong {
  color: var(--primary-color);
}

.badge-selected strong {
  color: var(--success-color);
}

.batch-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Progress Section */
.progress-container {
  background-color: #eff6ff;
  border: 1px solid var(--primary-color);
  padding: 12px 16px;
  margin: 12px 16px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-container.hidden {
  display: none;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: bold;
  color: #1e3a8a;
}

.progress-bar-bg {
  width: 100%;
  height: 12px;
  background-color: #dbeafe;
  border: 1px solid #bfdbfe;
  overflow: hidden;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background-color: var(--success-color);
  transition: width 0.2s linear;
}

.progress-buttons {
  display: flex;
  justify-content: flex-end;
}

/* URL Table */
.table-wrapper {
  overflow-x: auto;
  padding: 0;
}

.url-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.url-table th {
  background-color: var(--table-header-bg);
  color: #475569;
  font-weight: 700;
  font-size: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.url-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--table-border);
  vertical-align: middle;
}

.url-table tbody tr:hover {
  background-color: var(--table-hover);
}

.url-table tbody tr.row-disabled {
  opacity: 0.45;
  background-color: #f8fafc;
}

.col-checkbox { width: 40px; text-align: center; }
.col-num { width: 40px; text-align: center; font-family: var(--font-mono); color: var(--text-muted); }
.col-filename { min-width: 180px; max-width: 260px; font-weight: 600; word-break: break-all; }
.col-ext { width: 90px; font-family: var(--font-mono); }
.col-url { min-width: 250px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); word-break: break-all; }
.col-status { width: 110px; }
.col-action { width: 100px; text-align: right; }

.ext-tag {
  display: inline-block;
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: var(--primary-color);
  padding: 2px 6px;
  font-size: 11px;
  font-weight: bold;
}

.status-badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  border-radius: 0px;
  font-weight: bold;
}

.status-pending { background-color: #e2e8f0; color: #475569; }
.status-downloading { background-color: #dbeafe; color: #1e40af; }
.status-completed { background-color: #dcfce7; color: #166534; }
.status-failed { background-color: #fee2e2; color: #991b1b; }

.empty-row td {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-muted);
  font-style: italic;
}

.url-link {
  color: #475569;
  text-decoration: none;
}

.url-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 16px;
  border-top: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
}