/* ==============================================
   SIDEBAR SETTINGS TRIGGER
   ============================================== */
.sidebar-footer {
    border-top: 1px solid var(--glass-border);
    padding: var(--space-md);
    margin-top: auto;
}

.btn-settings-trigger {
    border: 1px solid var(--glass-border);
    padding: 10px 14px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    background: transparent;
    transition: all var(--transition);
}

.btn-settings-trigger svg {
    flex-shrink: 0;
    stroke: var(--text-muted);
    opacity: 0.7;
    transition: all var(--transition);
}

.btn-settings-trigger:hover {
    border-color: color-mix(in srgb, var(--neon-primary) 30%, transparent);
    color: var(--text-primary);
    background: color-mix(in srgb, var(--neon-primary) 5%, transparent);
}

.btn-settings-trigger:hover svg {
    stroke: var(--neon-primary);
    opacity: 1;
    filter: drop-shadow(0 0 4px var(--neon-primary));
}

/* ==============================================
   SETTINGS BUTTONS & INPUTS
   ============================================== */
.modal-group select {
    font-family: var(--font-sans);
    font-size: 1.2rem;
}

.modal-group select:focus {
    border-color: var(--neon-primary);
    outline: none;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--neon-primary) 20%, transparent);
}

/* ==============================================
   NUMBER FORMAT DOUBLE TOGGLE
   ============================================== */
.num-format-toggle {
    display: flex;
}

.num-format-btn {
    border: 1px solid color-mix(in srgb, var(--neon-primary) 15%, transparent);
    padding: 12px 16px;
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    cursor: pointer;
    background: var(--bg-input);
    transition: all var(--transition-fast);
}

.num-format-btn:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
}

.num-format-btn:last-child {
    margin-left: -1px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.num-format-btn:hover:not([aria-pressed="true"]) {
    border-color: color-mix(in srgb, var(--neon-primary) 40%, transparent);
    z-index: 10;
    color: var(--text-heading);
    background: color-mix(in srgb, var(--neon-primary) 5%, transparent);
}

.num-format-btn[aria-pressed="true"] {
    border-color: var(--neon-primary);
    z-index: 5;
    color: var(--neon-primary);
    text-shadow: var(--glow-xxxs);
    background: color-mix(in srgb, var(--neon-primary) 12%, transparent);
}

.num-format-example {
    font-weight: 600;
    font-size: 1.2rem;
    font-family: var(--font-mono);
    transition: inherit;
}

.num-format-desc {
    font-weight: 400;
    font-size: 0.78rem;
    font-family: var(--font-sans);
    color: var(--text-placeholder);
    transition: inherit;
}

.num-format-btn[aria-pressed="true"] .num-format-desc {
    color: color-mix(in srgb, var(--neon-primary) 60%, transparent);
}

.separator-highlight {
    font-weight: 700;
    font-size: 1.5em;
    color: var(--text-primary);
}

.num-format-btn[aria-pressed="true"] .separator-highlight {
    color: var(--neon-primary);
}

/* ==============================================
   ADVANCED SETTINGS
   ============================================== */
.advanced-settings {
    margin-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
    padding-top: var(--space-md);
}

.advanced-settings summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    outline: none;
    color: var(--text-heading);
    cursor: pointer;
    user-select: none;
    transition: color var(--transition);
}

.advanced-settings summary::-webkit-details-marker {
    display: none;
}

.advanced-settings summary::after {
    content: '+';
    font-weight: 300;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--text-heading);
    transition: color var(--transition), transform var(--transition);
}

.advanced-settings[open]:not(.closing) summary::after {
    content: '−';
}

.advanced-settings summary:hover,
.advanced-settings summary:hover::after {
    color: var(--neon-primary);
    text-shadow: var(--glow-xxxs);
}

.advanced-settings[open]:not(.closing) .advanced-settings-content {
    margin-top: var(--space-md);
    grid-template-rows: 1fr;
    opacity: 1;
    overflow: visible;
}

.advanced-settings-content {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    overflow: hidden;
    transition: grid-template-rows 0.35s ease, margin-top 0.35s ease, opacity 0.3s ease;
}

.advanced-settings-section {
    border-left: 2px solid color-mix(in srgb, var(--neon-primary) 20%, transparent);
    padding-left: var(--space-sm);
    margin-bottom: var(--space-lg);
    transition: border-color var(--transition);
}

.advanced-settings-section:last-child {
    margin-bottom: 0;
}

.advanced-settings-inner {
    min-height: 0;
    overflow: hidden;
}

.advanced-settings[open]:not(.closing) .advanced-settings-inner {
    overflow: visible;
}

.settings-help-text {
    margin-bottom: var(--space-md);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.advanced-settings-content .checkbox-wrapper {
    margin-bottom: var(--space-sm);
}

.advanced-settings-content .checkbox-wrapper:last-of-type {
    margin-bottom: 0;
}

.settings-divider {
    border-top: 1px solid var(--glass-border);
}

.settings-tool-row {
    margin-bottom: 4px;
    padding: var(--space-xs) var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.settings-tool-row .checkbox-wrapper {
    margin-bottom: 0 !important;
}

.btn-delete-tool {
    border: 1px solid transparent;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0.6;
    border-radius: var(--radius-sm);
    background: transparent;
    transition: all var(--transition-fast);
}

.btn-delete-tool:not(:disabled):hover {
    border-color: rgba(255, 68, 68, 0.2);
    color: var(--neon-danger);
    opacity: 1;
    background: rgba(255, 68, 68, 0.1);
    box-shadow: 0 0 10px rgba(255, 68, 68, 0.2);
}

.btn-delete-tool:disabled {
    opacity: 0.15;
    cursor: not-allowed;
}

/* ==============================================
   MEDIA QUERIES
   ============================================== */
@media (max-width: 576px) {
    .num-format-desc {
        font-size: 0.7rem !important;
    }
}

/* ==============================================
   VERSION INFORMATION
   ============================================== */
.settings-version-info {
    padding-top: var(--space-md);
    border-top: 1px dashed var(--glass-border);
    display: flex;
    justify-content: center;
}

.version-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.5;
    letter-spacing: 0.5px;
    background: color-mix(in srgb, var(--text-muted) 5%, transparent);
    padding: 2px 8px;
    border-radius: 10px;
}