/**
 * Q&A Input Box Styles
 * 
 * Reddit Answers-style UI with dark/light mode support.
 * Requirements: 5.2, 5.3
 */

/* Container */
.qa-input-container {
    background: var(--qa-bg, #1a1a2e);
    border-radius: 16px;
    padding: 20px;
    margin: 20px auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 800px;
    width: 100%;
    box-sizing: border-box;
}

/* Header */
.qa-header {
    text-align: center;
    margin-bottom: 16px;
}

.qa-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--qa-title, #fff);
    margin: 0 0 6px 0;
}

.qa-subtitle {
    font-size: 13px;
    color: var(--qa-subtitle, #8b8b9e);
    margin: 0;
}

/* Input wrapper */
.qa-input-wrapper {
    position: relative;
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Input field */
.qa-input {
    flex: 1;
    background: var(--qa-input-bg, #16213e);
    border: 2px solid var(--qa-input-border, #2d3a5a);
    border-radius: 25px;
    padding: 14px 20px;
    font-size: 15px;
    color: var(--qa-input-text, #fff);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.qa-input::placeholder {
    color: var(--qa-placeholder, #6b6b7d);
}

.qa-input:focus {
    border-color: var(--qa-focus, #6c5ce7);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}


/* Ask button */
.qa-ask-btn {
    background: linear-gradient(135deg, #6c5ce7, #a855f7);
    border: none;
    border-radius: 25px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.qa-ask-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.qa-ask-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Loading spinner */
.qa-spinner {
    width: 20px;
    height: 20px;
    animation: qa-spin 1s linear infinite;
}

@keyframes qa-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Error message */
.qa-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    padding: 10px 14px;
    margin-top: 12px;
    color: #ef4444;
    font-size: 13px;
}

/* Autocomplete dropdown */
.qa-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 80px;
    background: var(--qa-dropdown-bg, #1e2746);
    border: 1px solid var(--qa-dropdown-border, #2d3a5a);
    border-radius: 12px;
    margin-top: 8px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.qa-autocomplete-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid var(--qa-dropdown-divider, #2d3a5a);
}

.qa-autocomplete-item:last-child {
    border-bottom: none;
}

.qa-autocomplete-item:hover,
.qa-autocomplete-item.selected {
    background: var(--qa-dropdown-hover, #2d3a5a);
}

.qa-autocomplete-text {
    color: var(--qa-dropdown-text, #e0e0e0);
    font-size: 14px;
}

/* Recent questions */
.qa-recent {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--qa-divider, #2d3a5a);
}

.qa-recent-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--qa-recent-title, #8b8b9e);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qa-recent-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.qa-recent-list li {
    margin: 0;
}

.qa-recent-link {
    display: inline-block;
    background: var(--qa-tag-bg, #2d3a5a);
    color: var(--qa-tag-text, #c0c0d0);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.qa-recent-link:hover {
    background: var(--qa-tag-hover, #3d4a6a);
    color: var(--qa-tag-text-hover, #fff);
}

/* Inline loading indicator */
.qa-loading-inline {
    margin-top: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 12px;
    animation: qa-pulse 2s ease-in-out infinite;
}

@keyframes qa-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.qa-loading-inline-content {
    display: flex;
    align-items: center;
    gap: 14px;
}

.qa-loading-inline-spinner {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: #6c5ce7;
}

.qa-loading-inline-spinner svg {
    width: 100%;
    height: 100%;
}

.qa-loading-inline-message {
    font-size: 15px;
    font-weight: 500;
    color: var(--qa-title, #fff);
    transition: opacity 0.2s ease;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Light mode overrides */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .qa-input-container {
        --qa-bg: #f8f9fa;
        --qa-title: #1a1a2e;
        --qa-subtitle: #6b7280;
        --qa-input-bg: #fff;
        --qa-input-border: #e5e7eb;
        --qa-input-text: #1f2937;
        --qa-placeholder: #9ca3af;
        --qa-focus: #6c5ce7;
        --qa-dropdown-bg: #fff;
        --qa-dropdown-border: #e5e7eb;
        --qa-dropdown-divider: #f3f4f6;
        --qa-dropdown-hover: #f3f4f6;
        --qa-dropdown-text: #374151;
        --qa-divider: #e5e7eb;
        --qa-recent-title: #6b7280;
        --qa-tag-bg: #e5e7eb;
        --qa-tag-text: #4b5563;
        --qa-tag-hover: #d1d5db;
        --qa-tag-text-hover: #1f2937;
    }
}

/* Explicit light theme */
[data-theme="light"] .qa-input-container,
body:not(.dark) .qa-input-container {
    --qa-bg: #f8f9fa;
    --qa-title: #1a1a2e;
    --qa-subtitle: #6b7280;
    --qa-input-bg: #fff;
    --qa-input-border: #e5e7eb;
    --qa-input-text: #1f2937;
    --qa-placeholder: #9ca3af;
    --qa-dropdown-bg: #fff;
    --qa-dropdown-border: #e5e7eb;
    --qa-dropdown-divider: #f3f4f6;
    --qa-dropdown-hover: #f3f4f6;
    --qa-dropdown-text: #374151;
    --qa-divider: #e5e7eb;
    --qa-recent-title: #6b7280;
    --qa-tag-bg: #e5e7eb;
    --qa-tag-text: #4b5563;
    --qa-tag-hover: #d1d5db;
    --qa-tag-text-hover: #1f2937;
}

/* Mobile responsive */
@media (max-width: 480px) {
    .qa-input-container {
        padding: 16px;
        border-radius: 12px;
        margin: 15px 0;
    }
    
    .qa-title {
        font-size: 16px;
    }
    
    .qa-input-wrapper {
        flex-direction: column;
    }
    
    .qa-input {
        width: 100%;
        padding: 12px 16px;
    }
    
    .qa-ask-btn {
        width: 100%;
        padding: 12px;
    }
    
    .qa-autocomplete {
        right: 0;
    }
    
    .qa-recent-link {
        padding: 6px 12px;
        font-size: 12px;
    }
}