/**
 * Floating Search FAB (Floating Action Button)
 * Modern search interface that appears on result pages
 */

/* FAB Container */
.floating-search-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    transition: all var(--motion-dur-base) var(--motion-ease);
}

/* FAB Button (Collapsed State) */
.fab-search-btn {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-interactive-primary);
    color: var(--neutral-0);
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--motion-dur-base) var(--motion-ease);
    position: relative;
}

.fab-search-btn:hover {
    background: var(--color-interactive-primary-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.fab-search-btn:active {
    transform: scale(0.95);
}

/* Pulse animation hint */
@keyframes fabPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-interactive-primary) 70%, transparent);
    }
    50% {
        box-shadow: 0 0 0 10px color-mix(in srgb, var(--color-interactive-primary) 0%, transparent);
    }
}

.fab-search-btn.pulse {
    animation: fabPulse 2s infinite;
}

/* FAB Expanded Panel */
.fab-search-panel {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--color-surface-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    padding: var(--space-4);
    min-width: 450px;
    max-width: 550px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transform-origin: bottom right;
    transition: all var(--motion-dur-base) var(--motion-ease);
}

.fab-search-panel.expanded {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Close button in expanded panel */
.fab-close-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-surface-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--motion-dur-fast) var(--motion-ease);
}

.fab-close-btn:hover {
    background: var(--color-surface-alt);
    color: var(--color-text-primary);
}

/* Search input in expanded panel */
.fab-search-input-wrapper {
    margin-bottom: var(--space-3);
}

.fab-search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-family: var(--font-body);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-secondary);
    color: var(--color-text-primary);
    transition: all var(--motion-dur-fast) var(--motion-ease);
}

.fab-search-input:focus {
    outline: none;
    border-color: var(--color-interactive-primary);
    box-shadow: 0 0 0 3px var(--color-interactive-primary-subtle);
}

.fab-search-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Quick access pills in FAB */
.fab-quick-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
}

.fab-quick-pills-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
    margin-right: var(--space-1);
}

.fab-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-body);
    color: var(--color-text-secondary);
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--motion-dur-fast) var(--motion-ease);
    white-space: nowrap;
}

.fab-pill:hover {
    background: var(--color-interactive-primary-subtle);
    color: var(--color-interactive-primary);
    border-color: var(--color-interactive-primary);
    transform: translateY(-1px);
}

.fab-pill:active {
    transform: translateY(0);
}

/* Autosuggestion dropdown positioning for FAB */
.fab-search-input-wrapper .intelligent-suggestions-dropdown {
    bottom: 100%;
    top: auto;
    margin-bottom: var(--space-2);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .floating-search-fab {
        bottom: 16px;
        right: 16px;
    }
    
    .fab-search-btn {
        width: 60px;
        height: 60px;
    }
    
    .fab-search-panel {
        min-width: calc(100vw - 32px);
        max-width: calc(100vw - 32px);
        right: -8px;
    }
}

@media (max-width: 576px) {
    .fab-search-panel {
        min-width: calc(100vw - 16px);
        max-width: calc(100vw - 16px);
        right: -4px;
        padding: var(--space-3);
    }
    
    .fab-quick-pills {
        gap: var(--space-1);
    }
    
    .fab-pill {
        font-size: var(--font-size-xs);
        padding: var(--space-1) var(--space-2);
    }
}

/* Accessibility */
.fab-search-btn:focus-visible,
.fab-close-btn:focus-visible,
.fab-pill:focus-visible {
    outline: 2px solid var(--color-interactive-primary);
    outline-offset: 2px;
}

/* Hide when printing */
@media print {
    .floating-search-fab {
        display: none !important;
    }
}