/**
 * Cion Advanced Search - Frontend Styles
 *
 * @package Cion_Advanced_Search
 */

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
    --cas-primary-color: #2563eb;
    --cas-primary-hover: #1d4ed8;
    --cas-text-color: #1f2937;
    --cas-text-muted: #6b7280;
    --cas-border-color: #e5e7eb;
    --cas-bg-color: #ffffff;
    --cas-highlight-color: #fef08a;
    --cas-hover-bg: #f9fafb;
    --cas-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --cas-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --cas-radius: 8px;
    --cas-transition: all 0.2s ease;
}

/* ==========================================================================
   Search Wrapper
   ========================================================================== */
.cas-search-wrapper {
    position: relative;
    width: 100%;
    font-family: inherit;
}

/* ==========================================================================
   Search Form
   ========================================================================== */
.cas-search-form {
    display: flex;
    align-items: stretch;
    width: 100%;
    margin: 0;
}

.cas-layout-inline .cas-search-form {
    flex-direction: row;
}

.cas-layout-stacked .cas-search-form {
    flex-direction: column;
    gap: 10px;
}

/* Input Wrapper */
.cas-search-input-wrap {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

/* Search Input */
.cas-search-input {
    width: 100%;
    height: 48px;
    padding: 12px 16px;
    padding-right: 40px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--cas-text-color);
    background-color: var(--cas-bg-color);
    border: 2px solid var(--cas-border-color);
    border-radius: var(--cas-radius);
    outline: none;
    transition: var(--cas-transition);
    -webkit-appearance: none;
    appearance: none;
}

.cas-search-input:focus {
    border-color: var(--cas-primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

/* Layout inline - input con bordes conectados */
.cas-layout-inline .cas-search-input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.cas-layout-inline .cas-search-btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Spinner */
.cas-search-spinner {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.cas-search-wrapper.cas-loading .cas-search-spinner {
    opacity: 1;
}

.cas-search-spinner svg {
    width: 100%;
    height: 100%;
    animation: cas-spin 1s linear infinite;
}

.cas-search-spinner circle {
    stroke: var(--cas-primary-color);
    stroke-linecap: round;
    stroke-dasharray: 80, 200;
    stroke-dashoffset: 0;
}

@keyframes cas-spin {
    100% {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Search Button
   ========================================================================== */
.cas-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 500;
    color: #ffffff;
    background-color: var(--cas-primary-color);
    border: 2px solid var(--cas-primary-color);
    border-radius: var(--cas-radius);
    cursor: pointer;
    transition: var(--cas-transition);
    white-space: nowrap;
}

.cas-search-btn:hover {
    background-color: var(--cas-primary-hover);
    border-color: var(--cas-primary-hover);
}

.cas-search-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.cas-search-btn i,
.cas-search-btn svg {
    width: 18px;
    height: 18px;
    font-size: 18px;
}

/* ==========================================================================
   Results Container
   ========================================================================== */
.cas-results-container {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 9999;
    margin-top: 8px;
    background-color: var(--cas-bg-color);
    border: 1px solid var(--cas-border-color);
    border-radius: var(--cas-radius);
    box-shadow: var(--cas-shadow-lg);
    overflow: hidden;
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.cas-results-container.cas-active {
    display: block;
}

/* Results List */
.cas-results-list {
    padding: 8px 0;
}

/* Result Item */
.cas-result-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--cas-transition);
    text-decoration: none;
    color: inherit;
}

.cas-result-item:hover,
.cas-result-item:focus,
.cas-result-item.cas-focused {
    background-color: var(--cas-hover-bg);
}

a.cas-result-item {
    text-decoration: none;
}

/* Result Thumbnail */
.cas-result-thumbnail {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    background-color: #f3f4f6;
}

.cas-result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cas-result-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
}

.cas-result-thumbnail-placeholder svg {
    width: 24px;
    height: 24px;
}

/* Result Content */
.cas-result-content {
    flex: 1;
    min-width: 0;
}

.cas-result-title {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--cas-text-color);
    line-height: 1.4;
}

.cas-result-title a {
    color: inherit;
    text-decoration: none;
}

.cas-result-excerpt {
    margin: 0 0 6px;
    font-size: 13px;
    color: var(--cas-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cas-result-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.cas-result-type {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cas-primary-color);
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 4px;
}

.cas-result-price {
    font-size: 14px;
    font-weight: 600;
    color: var(--cas-text-color);
}

.cas-result-price del {
    font-weight: 400;
    color: var(--cas-text-muted);
    margin-right: 6px;
}

.cas-result-price ins {
    text-decoration: none;
    color: #dc2626;
}

/* Highlight */
.cas-highlight {
    background-color: var(--cas-highlight-color);
    padding: 0 2px;
    border-radius: 2px;
}

/* ==========================================================================
   Results States
   ========================================================================== */
/* Loading State */
.cas-results-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    color: var(--cas-text-muted);
    font-size: 14px;
}

.cas-results-loading .cas-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--cas-border-color);
    border-top-color: var(--cas-primary-color);
    border-radius: 50%;
    animation: cas-spin 0.8s linear infinite;
}

/* No Results */
.cas-no-results {
    padding: 32px 24px;
    text-align: center;
    color: var(--cas-text-muted);
}

.cas-no-results-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    color: #d1d5db;
}

.cas-no-results-title {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--cas-text-color);
}

.cas-no-results-text {
    margin: 0;
    font-size: 13px;
}

/* Error State */
.cas-results-error {
    padding: 24px;
    text-align: center;
    color: #dc2626;
    font-size: 14px;
}

/* ==========================================================================
   Results Footer
   ========================================================================== */
.cas-results-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--cas-border-color);
    background-color: #f9fafb;
    display: none;
}

.cas-results-footer.cas-active {
    display: block;
}

.cas-view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--cas-primary-color);
    text-decoration: none;
    transition: var(--cas-transition);
}

.cas-view-all:hover {
    color: var(--cas-primary-hover);
}

.cas-results-count {
    float: right;
    font-size: 13px;
    color: var(--cas-text-muted);
}

/* ==========================================================================
   Keyboard Navigation Hint
   ========================================================================== */
.cas-keyboard-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 16px;
    border-top: 1px solid var(--cas-border-color);
    font-size: 12px;
    color: var(--cas-text-muted);
}

.cas-keyboard-hint kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 22px;
    padding: 0 6px;
    font-family: inherit;
    font-size: 11px;
    background-color: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    box-shadow: 0 1px 0 #d1d5db;
}

/* ==========================================================================
   Responsive - Mobile
   ========================================================================== */
@media (max-width: 768px) {
    /* Form stacked on mobile */
    .cas-search-form {
        flex-direction: column;
        gap: 10px;
    }

    .cas-search-input {
        border-radius: var(--cas-radius) !important;
        border-right: 2px solid var(--cas-border-color) !important;
    }

    .cas-search-btn {
        width: 100%;
        border-radius: var(--cas-radius) !important;
    }

    /* Results as bottom sheet */
    .cas-results-container {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        margin-top: 0;
        border-radius: var(--cas-radius) var(--cas-radius) 0 0;
        max-height: 70vh;
        z-index: 99999;
    }

    .cas-result-thumbnail {
        width: 50px;
        height: 50px;
    }

    .cas-keyboard-hint {
        display: none;
    }

    /* Prevent body scroll when overlay is open */
    body.cas-overlay-open {
        overflow: hidden;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.cas-search-wrapper:focus-within .cas-search-input {
    border-color: var(--cas-primary-color);
}

/* Screen reader only */
.cas-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .cas-search-input,
    .cas-search-btn,
    .cas-result-item,
    .cas-view-all {
        transition: none;
    }

    .cas-search-spinner svg,
    .cas-results-loading .cas-spinner {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .cas-search-input {
        border-width: 3px;
    }

    .cas-highlight {
        background-color: yellow;
        color: black;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .cas-search-wrapper {
        --cas-text-color: #f9fafb;
        --cas-text-muted: #9ca3af;
        --cas-border-color: #374151;
        --cas-bg-color: #1f2937;
        --cas-hover-bg: #374151;
        --cas-highlight-color: #854d0e;
    }
}