/* AgroThings 433.92MHz RF Analyzer - High Performance Stylesheet with Full Light/Dark Support */

:root,
[data-theme="dark"] {
  --bg-primary: #0a0e14;
  --bg-card: #121820;
  --bg-card-hover: #16202c;
  --bg-secondary: #1a2332;
  --bg-input: #0f1722;
  --border-color: #233142;
  --border-light: #2d3f55;
  
  --text-primary: #f0f6fc;
  --text-secondary: #8b9bb4;
  --text-muted: #57657a;
  
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.12);
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-amber: #f59e0b;
  --accent-amber-bg: rgba(245, 158, 11, 0.12);
  --accent-red: #ef4444;
  --accent-red-bg: rgba(239, 68, 68, 0.12);
  
  --config-gradient: linear-gradient(180deg, #141c26 0%, #121820 100%);
  --config-footer-bg: rgba(0, 0, 0, 0.25);
  --fspl-bg: rgba(6, 182, 212, 0.05);
  --fspl-border: rgba(6, 182, 212, 0.3);
  --row-hover: #16202c;
  
  --json-bg: #06090e;
  --json-color: #38bdf8;
  --modal-backdrop: rgba(0, 0, 0, 0.75);
  
  --hex-color: #38bdf8;
  --hex-bg: rgba(56, 189, 248, 0.12);
  --hex-border: rgba(56, 189, 248, 0.25);
  --proto-color: #c084fc;
  --proto-bg: rgba(192, 132, 252, 0.12);
  --badge-no-rssi-bg: rgba(255, 255, 255, 0.04);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-secondary: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-light: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent-green: #059669;
  --accent-green-bg: #ecfdf5;
  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-amber: #d97706;
  --accent-amber-bg: #fffbeb;
  --accent-red: #dc2626;
  --accent-red-bg: #fef2f2;
  
  --config-gradient: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  --config-footer-bg: #f8fafc;
  --fspl-bg: rgba(2, 132, 199, 0.05);
  --fspl-border: rgba(2, 132, 199, 0.25);
  --row-hover: #f8fafc;
  
  --json-bg: #f8fafc;
  --json-color: #0369a1;
  --modal-backdrop: rgba(15, 23, 42, 0.45);
  
  --hex-color: #0284c7;
  --hex-bg: rgba(2, 132, 199, 0.08);
  --hex-border: rgba(2, 132, 199, 0.2);
  --proto-color: #7c3aed;
  --proto-bg: rgba(124, 58, 237, 0.08);
  --badge-no-rssi-bg: rgba(15, 23, 42, 0.04);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding-bottom: 40px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Header */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-main {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

.logo-icon {
  font-size: 24px;
  background: var(--bg-secondary);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand .subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  user-select: none;
}

.btn-theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: scale(1.06);
}

.btn-theme-toggle:active {
  transform: scale(0.96);
}

/* Status Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-live {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
}
.status-live .status-dot {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s infinite;
}

.status-connecting {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.3);
}
.status-connecting .status-dot {
  background: var(--accent-amber);
}

.status-offline {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.3);
}
.status-offline .status-dot {
  background: var(--accent-red);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Container */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Field Config Panel */
.config-card {
  border-color: var(--border-light);
  background: var(--config-gradient);
  display: none;
}
.config-card.open {
  display: block;
  animation: slide-down 0.2s ease-out;
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.config-grid {
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

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

.input-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.input-with-unit {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-with-unit input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.input-with-unit input:focus {
  outline: none;
}

.input-with-unit:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.input-with-unit .unit {
  padding: 0 12px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-secondary);
  align-self: stretch;
  display: flex;
  align-items: center;
  border-left: 1px solid var(--border-color);
}

.input-readonly {
  background: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: default;
  outline: none;
}

select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s ease;
}
select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.help-text {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.fspl-box {
  background: var(--fspl-bg);
  border: 1px dashed var(--fspl-border);
  border-radius: 6px;
  padding: 10px 14px;
}

.fspl-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.fspl-number {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--accent-cyan);
}

.config-divider {
  margin: 18px 0 12px;
  padding: 8px 14px;
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-blue);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-grid-antennas {
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}

.config-footer {
  padding: 12px 18px;
  background: var(--config-footer-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

/* Sections */
.section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-header h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.counter-badge {
  font-size: 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
}

/* Device Grid */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.device-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.device-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.device-name-box {
  display: flex;
  flex-direction: column;
}

.device-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.device-alias {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.device-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--bg-secondary);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
}

.device-metric {
  display: flex;
  flex-direction: column;
}
.device-metric .m-label {
  color: var(--text-muted);
  font-size: 0.68rem;
  text-transform: uppercase;
}
.device-metric .m-val {
  color: var(--text-primary);
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.device-lastseen {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.font-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Controls Toolbar */
.controls-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px 14px;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.segmented-control {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2px;
}

.seg-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.seg-btn:hover {
  color: var(--text-primary);
}

.seg-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.filter-select {
  padding: 6px 10px;
  font-size: 0.82rem;
}

/* Table */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rf-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.rf-table th {
  background: var(--bg-secondary);
  padding: 12px 14px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.rf-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-primary);
}

.rf-table tr:hover td {
  background: var(--row-hover);
}

.empty-row td {
  padding: 40px 20px;
  text-align: center;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 32px;
  opacity: 0.6;
}

/* Badges */
.hex-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
  color: var(--hex-color);
  background: var(--hex-bg);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--hex-border);
  display: inline-block;
}

.proto-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--proto-color);
  background: var(--proto-bg);
  padding: 2px 7px;
  border-radius: 4px;
}

.hw-no-rssi-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--badge-no-rssi-bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px dashed var(--border-color);
  display: inline-block;
  white-space: nowrap;
}

/* Receiver Module Badges */
.rx-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.rx-badge-b6 {
  background: rgba(14, 165, 233, 0.16);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.rx-badge-520 {
  background: rgba(245, 158, 11, 0.16);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.4);
}

.rx-badge-520-2 {
  background: rgba(168, 85, 247, 0.16);
  color: #c084fc;
  border: 1px solid rgba(192, 132, 252, 0.4);
}

.rx-badge-rd {
  background: rgba(99, 102, 241, 0.16);
  color: #818cf8;
  border: 1px solid rgba(129, 140, 248, 0.4);
}

.rx-badge-480 {
  background: rgba(244, 63, 94, 0.16);
  color: #fb7185;
  border: 1px solid rgba(251, 113, 133, 0.4);
}

.rx-badge-dual {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.45);
}

.rx-badge-triple {
  background: rgba(236, 72, 153, 0.16);
  color: #f472b6;
  border: 1px solid rgba(244, 114, 182, 0.45);
}

.rx-badge-quad {
  background: rgba(139, 92, 246, 0.18);
  color: #a78bfa;
  border: 1px solid rgba(167, 139, 250, 0.45);
}

.rx-badge-quint {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22) 0%, rgba(16, 185, 129, 0.22) 50%, rgba(14, 165, 233, 0.22) 100%);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.55);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.2);
}

.rx-badge-unknown {
  background: rgba(148, 163, 184, 0.12);
  color: #94a3b8;
  border: 1px dashed rgba(148, 163, 184, 0.35);
  font-style: italic;
}

/* Light Theme Overrides for Receiver Badges */
[data-theme="light"] .rx-badge-b6 {
  background: #e0f2fe;
  color: #0284c7;
  border-color: #bae6fd;
}
[data-theme="light"] .rx-badge-520 {
  background: #fef3c7;
  color: #b45309;
  border-color: #fde68a;
}
[data-theme="light"] .rx-badge-520-2 {
  background: #f3e8ff;
  color: #7e22ce;
  border-color: #d8b4fe;
}
[data-theme="light"] .rx-badge-rd {
  background: #e0e7ff;
  color: #4338ca;
  border-color: #c7d2fe;
}
[data-theme="light"] .rx-badge-480 {
  background: #ffe4e6;
  color: #e11d48;
  border-color: #fecdd3;
}
[data-theme="light"] .rx-badge-dual {
  background: #d1fae5;
  color: #047857;
  border-color: #a7f3d0;
}
[data-theme="light"] .rx-badge-triple {
  background: #fce7f3;
  color: #be185d;
  border-color: #fbcfe8;
}
[data-theme="light"] .rx-badge-quad {
  background: #ede9fe;
  color: #6d28d9;
  border-color: #ddd6fe;
}
[data-theme="light"] .rx-badge-quint {
  background: linear-gradient(135deg, #fef3c7 0%, #d1fae5 50%, #e0f2fe 100%);
  color: #0369a1;
  border-color: #7dd3fc;
  box-shadow: 0 0 6px rgba(3, 105, 161, 0.15);
}
[data-theme="light"] .rx-badge-unknown {
  background: #f1f5f9;
  color: #64748b;
  border-color: #cbd5e1;
}

/* Packet Count Badge */
.pkt-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  padding: 2px 7px;
  border-radius: 9999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pkt-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Receiver Module Multi-Badge Column */
.rx-module-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.rx-badge-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
}

.rx-pkt-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  min-width: 16px;
  height: 16px;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 9999px;
  background: rgba(0, 0, 0, 0.28);
  margin-left: 3px;
}

[data-theme="light"] .rx-pkt-pill {
  background: rgba(0, 0, 0, 0.12);
}

/* Modal Receiver Modules Breakdown Grid */
.modal-rx-breakdown {
  margin: 6px 0 10px;
}

.modal-rx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.modal-rx-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: all 0.15s ease;
}

.modal-rx-card.rx-card-detected {
  border-color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.08);
}

.modal-rx-card.rx-card-idle {
  opacity: 0.55;
}

.modal-rx-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-rx-status {
  font-size: 0.85rem;
}

.modal-rx-card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.m-rx-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.m-rx-row strong {
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Node Cell */
.node-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.rf-table tbody tr {
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.time-cell {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}
.time-cell .rel-time {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.node-chip {
  display: inline-block;
  padding: 3px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  user-select: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--accent-blue-hover);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
}
.btn-xs {
  padding: 3px 8px;
  font-size: 0.72rem;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-backdrop.hidden {
  display: none;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.modal-body {
  padding: 16px 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.json-meta-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--text-secondary);
}

.json-viewer {
  background: var(--json-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--json-color);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  background: var(--config-footer-bg);
}

.copy-feedback {
  font-size: 0.78rem;
  color: var(--accent-green);
  margin-right: auto;
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-in 0.2s ease-out;
  pointer-events: auto;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .app-container {
    padding: 12px;
  }
  .header-main {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .controls-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar-left, .toolbar-right {
    justify-content: space-between;
  }
  .rf-table th, .rf-table td {
    padding: 8px 10px;
    font-size: 0.78rem;
  }
}