/* =====================================================
   SPECTRUM UART v12.20 - CSS Styles
   For MCFW v1.35.1D firmware
   ===================================================== */

/* Connection Panel */
.spectrum-connection-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary, #1a1a2e);
    border-radius: 8px;
    margin-bottom: 16px;
}

.spectrum-conn-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spectrum-conn-group label {
    color: var(--text-secondary, #a0a0a0);
    font-size: 13px;
}

.spectrum-conn-group select {
    background: var(--bg-primary, #0f0f1a);
    border: 1px solid var(--border-color, #333);
    color: var(--text-primary, #fff);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
}

.spectrum-status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #f44336;
    transition: background 0.3s;
}

.spectrum-status-indicator.connected {
    background: #4caf50;
    box-shadow: 0 0 8px #4caf50;
}

.spectrum-status-text {
    color: var(--text-secondary, #a0a0a0);
    font-size: 13px;
}

/* Main Grid Layout */
.spectrum-main-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
}

@media (max-width: 900px) {
    .spectrum-main-grid {
        grid-template-columns: 1fr;
    }
}

/* Info Panel (Left) */
.spectrum-info-panel {
    background: var(--bg-secondary, #1a1a2e);
    border-radius: 8px;
    padding: 16px;
}

.spectrum-info-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color, #333);
}

.spectrum-info-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.spectrum-info-label {
    color: var(--text-secondary, #a0a0a0);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.spectrum-info-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #fff);
}

.spectrum-info-value.mode { color: #2196f3; }
.spectrum-info-value.freq { color: #4caf50; font-family: monospace; }
.spectrum-info-value.rssi { color: #ff9800; }

/* Mode Buttons */
.spectrum-mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
}

.spectrum-mode-btn {
    padding: 10px 8px;
    border: 1px solid var(--border-color, #444);
    border-radius: 6px;
    background: var(--bg-primary, #0f0f1a);
    color: var(--text-primary, #fff);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.spectrum-mode-btn:hover {
    background: var(--bg-hover, #252540);
    border-color: #2196f3;
}

.spectrum-mode-btn.active {
    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
    border-color: #2196f3;
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.3);
}

.spectrum-mode-btn.pro {
    grid-column: span 2;
    background: linear-gradient(180deg, #9c27b0 0%, #6a1b9a 100%);
    border-color: #9c27b0;
}

.spectrum-mode-btn.pro.active {
    box-shadow: 0 0 10px rgba(156, 39, 176, 0.5);
}

/* Controls Panel (Right) */
.spectrum-controls-panel {
    background: var(--bg-secondary, #1a1a2e);
    border-radius: 8px;
    padding: 16px;
}

/* Tabs */
.spectrum-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color, #333);
    padding-bottom: 12px;
}

.spectrum-tab {
    padding: 8px 12px;
    background: var(--bg-primary, #0f0f1a);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-secondary, #a0a0a0);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.spectrum-tab:hover {
    background: var(--bg-hover, #252540);
    color: var(--text-primary, #fff);
}

.spectrum-tab.active {
    background: #2196f3;
    border-color: #2196f3;
    color: #fff;
}

.spectrum-tab.pro-tab {
    background: linear-gradient(180deg, #9c27b0 0%, #6a1b9a 100%);
    border-color: #9c27b0;
    color: #fff;
}

/* Tab Content */
.spectrum-tab-content {
    display: none;
}

.spectrum-tab-content.active {
    display: block;
}

/* Control Sections */
.spectrum-control-section {
    background: var(--bg-primary, #0f0f1a);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
}

.spectrum-section-title {
    color: #2196f3;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color, #333);
}

/* Button Grids */
.spectrum-btn-grid {
    display: grid;
    gap: 8px;
}

.spectrum-btn-grid-2 { grid-template-columns: 1fr 1fr; }
.spectrum-btn-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.spectrum-btn-grid-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.spectrum-ctrl-btn {
    padding: 10px 8px;
    border: 1px solid var(--border-color, #444);
    border-radius: 6px;
    background: linear-gradient(135deg, #2d2d44 0%, #1a1a2e 100%);
    color: var(--text-primary, #fff);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.spectrum-ctrl-btn:hover {
    background: linear-gradient(135deg, #3d3d54 0%, #2a2a3e 100%);
    border-color: #2196f3;
    transform: translateY(-1px);
}

.spectrum-ctrl-btn:active {
    transform: translateY(0);
}

.spectrum-ctrl-btn.danger {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    border-color: #d32f2f;
}

.spectrum-ctrl-btn.pro {
    background: linear-gradient(180deg, #7b1fa2 0%, #4a148c 100%);
    border-color: #9c27b0;
}

/* Frequency Input Panel */
.spectrum-freq-input-panel {
    text-align: center;
}

.spectrum-freq-display {
    font-family: 'Courier New', monospace;
    font-size: 32px;
    color: #4caf50;
    background: #0a0a15;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    border: 2px solid #333;
}

.spectrum-numpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    max-width: 280px;
    margin: 0 auto 16px;
}

.spectrum-numpad-btn {
    padding: 16px;
    font-size: 20px;
    font-weight: bold;
    background: linear-gradient(135deg, #2d2d44 0%, #1a1a2e 100%);
    border: 1px solid var(--border-color, #444);
    border-radius: 8px;
    color: var(--text-primary, #fff);
    cursor: pointer;
    transition: all 0.2s;
}

.spectrum-numpad-btn:hover {
    background: linear-gradient(135deg, #3d3d54 0%, #2a2a3e 100%);
    border-color: #2196f3;
}

.spectrum-numpad-btn.del {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
}

.spectrum-freq-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* Presets Grid */
.spectrum-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    padding: 10px;
    background: linear-gradient(135deg, #2d2d44 0%, #1a1a2e 100%);
    border: 1px solid var(--border-color, #444);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.preset-btn:hover {
    background: linear-gradient(135deg, #3d3d54 0%, #2a2a3e 100%);
    border-color: #4caf50;
}

.preset-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    margin-bottom: 4px;
}

.preset-freq {
    font-size: 10px;
    color: #4caf50;
    font-family: monospace;
}

/* Log Container */
.spectrum-log-container {
    max-height: 300px;
    overflow-y: auto;
    background: #0a0a15;
    border-radius: 6px;
    padding: 8px;
}

.spectrum-log-container .log-entry {
    display: grid;
    grid-template-columns: 80px 120px 80px 50px 1fr;
    gap: 8px;
    padding: 6px 8px;
    border-bottom: 1px solid #222;
    font-size: 12px;
    font-family: monospace;
}

.spectrum-log-container .log-entry:hover {
    background: rgba(33, 150, 243, 0.1);
}

.spectrum-log-container .log-time { color: #888; }
.spectrum-log-container .log-freq { color: #4caf50; }
.spectrum-log-container .log-rssi { color: #ff9800; }
.spectrum-log-container .log-mod { color: #2196f3; }
.spectrum-log-container .log-extra { color: #9c27b0; }

.spectrum-log-container .log-empty {
    color: #666;
    text-align: center;
    padding: 20px;
    font-style: italic;
}

.spectrum-log-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

/* UART Log */
.spectrum-uart-log {
    height: 200px;
    overflow-y: auto;
    background: #0a0a15;
    border-radius: 6px;
    padding: 8px;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    margin-bottom: 12px;
}

.uart-tx { color: #4caf50; }
.uart-rx { color: #2196f3; }
.uart-err { color: #f44336; }

.spectrum-manual-cmd {
    display: flex;
    gap: 8px;
}

.spectrum-manual-cmd input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-primary, #0f0f1a);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    font-family: monospace;
}

/* Pro Status */
.spectrum-pro-status {
    background: rgba(156, 39, 176, 0.1);
    border: 1px solid #9c27b0;
    border-radius: 6px;
    padding: 12px;
    font-size: 12px;
    margin-bottom: 12px;
    text-align: center;
}

/* Warning Banner */
.spectrum-warning {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.2) 0%, rgba(255, 87, 34, 0.2) 100%);
    border: 1px solid #ff9800;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.spectrum-warning-icon {
    font-size: 24px;
}

.spectrum-warning-text {
    color: #ff9800;
    font-size: 13px;
}

.spectrum-warning-text strong {
    color: #ffb74d;
}

/* Buttons */
.spectrum-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.spectrum-btn.btn-connect {
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
    color: white;
}

.spectrum-btn.btn-disconnect {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
    color: white;
}

.spectrum-btn.btn-primary {
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    color: white;
}

.spectrum-btn.btn-secondary {
    background: linear-gradient(135deg, #607d8b 0%, #455a64 100%);
    color: white;
}

.spectrum-btn.btn-warning {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
    color: white;
}

.spectrum-btn.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.spectrum-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* CTCSS/DCS column in log */
.spectrum-log-container .log-ctcss {
    color: #ff9800;
    font-weight: 500;
    min-width: 80px;
}

/* ===== PRESET EDITOR ===== */
.preset-editor-section {
    margin-top: 16px;
    padding: 12px;
    border: 1px solid var(--border, #444);
    border-radius: 8px;
    background: var(--bg-alt, #1a1a2e);
}
.pe-title {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--text, #e0e0e0);
}

/* Stats */
.pe-stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-hover, #252540);
    border-radius: 6px;
    margin-bottom: 10px;
    font-size: 12px;
}
.pe-stat { color: var(--text-muted, #aaa); }
.pe-stat strong { color: var(--text, #e0e0e0); }

/* Add Form */
.pe-add-section { margin-bottom: 10px; }
.pe-add-toggle {
    cursor: pointer;
    color: var(--accent, #64ffda);
    font-size: 13px;
    padding: 6px 0;
    user-select: none;
}
.pe-add-form {
    padding: 10px 0;
}
.pe-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}
.pe-input {
    background: var(--bg, #0d0d1a);
    border: 1px solid var(--border, #444);
    border-radius: 4px;
    color: var(--text, #e0e0e0);
    padding: 6px 8px;
    font-size: 12px;
    min-width: 80px;
}
.pe-input:focus { border-color: var(--accent, #64ffda); outline: none; }
.pe-input-freq { width: 110px; }
.pe-select { min-width: 90px; }
.pe-add-btn {
    background: var(--accent, #64ffda) !important;
    color: #000 !important;
    font-weight: bold;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
}
.pe-add-btn:hover { opacity: 0.85; }

/* Toolbar */
.pe-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
    align-items: center;
}
.pe-search { flex: 1; min-width: 150px; }
.pe-btn {
    background: var(--bg-hover, #252540);
    border: 1px solid var(--border, #444);
    border-radius: 4px;
    color: var(--text, #e0e0e0);
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}
.pe-btn:hover { background: var(--border, #444); }
.pe-reset { color: #ff6b6b; border-color: #ff6b6b; }
.pe-reset:hover { background: rgba(255,107,107,0.15); }

/* List Header */
.pe-list-header {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background: var(--bg-hover, #252540);
    border-radius: 4px 4px 0 0;
    font-size: 11px;
    font-weight: bold;
    color: var(--text-muted, #aaa);
    border-bottom: 1px solid var(--border, #444);
}

/* Preset List */
.preset-editor-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border, #444);
    border-top: none;
    border-radius: 0 0 4px 4px;
}

/* Rows */
.preset-editor-row {
    display: flex;
    gap: 4px;
    padding: 5px 8px;
    align-items: center;
    font-size: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.15s;
}
.preset-editor-row:hover { background: var(--bg-hover, #252540); }
.preset-editor-row.pe-fw { color: var(--text, #e0e0e0); }
.preset-editor-row.pe-custom { color: #ff9800; }

/* Column widths */
.pe-pos { width: 50px; text-align: center; color: var(--text-muted, #888); font-size: 10px; }
.pe-type { width: 60px; text-align: center; }
.pe-name { flex: 1.5; min-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.pe-freq { flex: 1.5; min-width: 140px; font-family: monospace; font-size: 11px; }
.pe-detail { width: 70px; text-align: center; font-size: 11px; color: var(--text-muted, #aaa); }
.pe-actions { width: 80px; display: flex; gap: 2px; justify-content: flex-end; }

/* Badges */
.pe-badge-fw {
    background: rgba(100,255,218,0.15);
    color: #64ffda;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: bold;
}
.pe-badge-custom {
    background: rgba(255,152,0,0.15);
    color: #ff9800;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: bold;
}

/* Action buttons in rows */
.pe-up, .pe-down { font-size: 10px; padding: 2px 5px; }
.pe-del {
    color: #ff6b6b !important;
    border-color: #ff6b6b !important;
    font-size: 10px;
    padding: 2px 5px;
}
.pe-del:hover { background: rgba(255,107,107,0.2) !important; }

/* Custom preset button style in grid */
.preset-btn-custom {
    border: 1px dashed #ff9800 !important;
    position: relative;
}
.preset-custom-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: #ff9800;
    color: #000;
    font-size: 8px;
    padding: 1px 4px;
    border-radius: 2px;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    .pe-list-header { display: none; }
    .preset-editor-row { flex-wrap: wrap; }
    .pe-detail { width: auto; }
    .pe-freq { font-size: 10px; }
}

/* Auto-calc button */
.pe-auto-btn {
    background: linear-gradient(135deg, #ff9800, #f57c00) !important;
    color: #fff !important;
    font-weight: bold;
    min-width: 70px;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}
.pe-auto-btn:hover {
    background: linear-gradient(135deg, #ffb74d, #ff9800) !important;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(255,152,0,0.4);
}

/* Auto-calc info display */
.pe-auto-info {
    padding: 4px 8px;
    font-size: 11px;
    color: #ffb74d;
    background: rgba(255,152,0,0.1);
    border-radius: 4px;
    border-left: 3px solid #ff9800;
    margin-top: 4px;
}