/*
 * QSO Log Map - Components
 * Panels, upload zone, stats grid, filters, toggles
 */

/* ========================================
   PANELS - Glass Cards
   ======================================== */

.panel {
    background: var(--bg-tertiary);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: var(--shadow-inset), var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-title svg {
    width: 14px;
    height: 14px;
    opacity: 0.6;
}

/* Upload Panel */
.upload-zone {
    position: relative;
    border: 1px dashed var(--border-default);
    border-radius: var(--radius-md);
    padding: 24px 14px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.01) 0%, transparent 100%);
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
    opacity: 1;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    border-style: solid;
}

.upload-zone.drag-over {
    transform: scale(1.01);
}

.upload-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    color: var(--text-muted);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.upload-zone:hover .upload-icon {
    color: var(--accent);
    transform: translateY(-2px);
}

.upload-icon svg {
    width: 100%;
    height: 100%;
}

.upload-text {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 13px;
    position: relative;
    z-index: 1;
}

.upload-hint {
    font-size: 11px;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

.upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--bg-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.upload-progress.active {
    opacity: 1;
}

.upload-progress .progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transition: width var(--transition-normal);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding: 8px 10px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    border: 1px solid var(--border-subtle);
}

.file-name {
    color: var(--accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-clear {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: all var(--transition-fast);
    border-radius: 4px;
}

.btn-clear:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Stats Panel */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(30, 30, 38, 0.3) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.stat-card:hover::before {
    opacity: 0.5;
}

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

.stat-value {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
    font-weight: 500;
}

/* Filter Groups */
.filter-group {
    margin-bottom: 14px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Filter Chips */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.filter-chip:hover {
    border-color: var(--border-default);
    color: var(--text-primary);
    background: var(--bg-hover);
}

.filter-chip.active {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.filter-chip .count {
    font-size: 9px;
    opacity: 0.5;
}

.filter-chip .color-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Filter Input */
.filter-input,
.filter-select {
    width: 100%;
    padding: 9px 11px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.filter-input::placeholder {
    color: var(--text-muted);
}

/* Field hint for required state */
.field-hint {
    display: none;
    font-size: 9px;
    margin-top: 4px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.filter-group.needs-attention .field-hint {
    display: block;
    color: var(--accent);
}

.filter-group.needs-attention .filter-input {
    border-color: var(--border-accent);
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.filter-input.grid-valid {
    border-color: #2eb87a;
    box-shadow: 0 0 0 3px rgba(46, 184, 122, 0.15);
}

.filter-input.grid-invalid {
    border-color: #e25555;
    box-shadow: 0 0 0 3px rgba(226, 85, 85, 0.15);
}

.filter-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%235a5a68' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

/* Reset Button */
.btn-reset {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 9px;
    margin-top: 14px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-reset svg {
    width: 12px;
    height: 12px;
}

/* Toggle Group */
.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle-slider {
    width: 32px;
    height: 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 9px;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
    background: var(--accent-glow-strong);
    border-color: var(--accent);
}

.toggle input:checked + .toggle-slider::after {
    background: var(--accent);
    transform: translateX(14px);
}

.toggle-disabled {
    opacity: 0.35;
    pointer-events: none;
}

.toggle-label {
    font-size: 12px;
    color: var(--text-secondary);
}