/**
 * File: pet-finder.css
 * Description: Main plugin styles
 * Version: 1.0.0
 */

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */

:root {
    /* Primary Colors */
    --paf-primary: #CC0000;
    --paf-primary-hover: #B30000;
    --paf-primary-dark: #990000;

    /* Accent Colors */
    --paf-accent: #0080FF;
    --paf-accent-hover: #0066CC;
    --paf-accent-light: #E6F2FF;

    /* Success Colors */
    --paf-success: #22C55E;
    --paf-success-hover: #16A34A;

    /* Grayscale */
    --paf-white: #FFFFFF;
    --paf-gray-50: #F9FAFB;
    --paf-gray-100: #F3F4F6;
    --paf-gray-200: #E5E7EB;
    --paf-gray-300: #D1D5DB;
    --paf-gray-400: #9CA3AF;
    --paf-gray-500: #6B7280;
    --paf-gray-600: #4B5563;
    --paf-gray-700: #374151;
    --paf-gray-800: #1F2937;
    --paf-gray-900: #111827;

    /* Semantic Colors */
    --paf-error: #EF4444;
    --paf-warning: #F59E0B;
    --paf-info: #3B82F6;

    /* Typography */
    --paf-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --paf-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Monaco, Consolas, monospace;

    /* Font Sizes */
    --paf-text-xs: 0.75rem;
    --paf-text-sm: 0.875rem;
    --paf-text-base: 1rem;
    --paf-text-lg: 1.125rem;
    --paf-text-xl: 1.25rem;
    --paf-text-2xl: 1.5rem;
    --paf-text-3xl: 1.875rem;
    --paf-text-4xl: 2.25rem;

    /* Font Weights */
    --paf-font-normal: 400;
    --paf-font-medium: 500;
    --paf-font-semibold: 600;
    --paf-font-bold: 700;

    /* Line Heights */
    --paf-leading-tight: 1.25;
    --paf-leading-normal: 1.5;
    --paf-leading-relaxed: 1.625;

    /* Spacing */
    --paf-space-1: 0.25rem;
    --paf-space-2: 0.5rem;
    --paf-space-3: 0.75rem;
    --paf-space-4: 1rem;
    --paf-space-5: 1.25rem;
    --paf-space-6: 1.5rem;
    --paf-space-8: 2rem;
    --paf-space-10: 2.5rem;
    --paf-space-12: 3rem;
    --paf-space-16: 4rem;

    /* Border Radius */
    --paf-radius-sm: 0.125rem;
    --paf-radius-base: 0.25rem;
    --paf-radius-md: 0.375rem;
    --paf-radius-lg: 0.5rem;
    --paf-radius-xl: 0.75rem;
    --paf-radius-2xl: 1rem;
    --paf-radius-full: 9999px;

    /* Shadows */
    --paf-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --paf-shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --paf-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --paf-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --paf-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

.paf-filter-sidebar,
.paf-filter-sidebar *,
.paf-results-grid,
.paf-results-grid *,
.paf-detail-page,
.paf-detail-page * {
    box-sizing: border-box;
}

/* ============================================
   Filter Sidebar
   ============================================ */

.paf-filter-sidebar {
    background-color: var(--paf-primary);
    padding: var(--paf-space-6);
    border-radius: var(--paf-radius-lg);
    box-shadow: var(--paf-shadow-md);
    max-width: 280px;
    width: 100%;
    font-family: var(--paf-font-sans);
}

/* Filter Tabs */
.paf-filter-tabs {
    display: flex;
    background-color: var(--paf-white);
    border-radius: var(--paf-radius-base);
    padding: var(--paf-space-1);
    margin-bottom: var(--paf-space-6);
    gap: var(--paf-space-1);
}

.paf-filter-tab {
    flex: 1;
    padding: var(--paf-space-2) var(--paf-space-4);
    border: none;
    background: transparent;
    border-radius: var(--paf-radius-base);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-family: var(--paf-font-sans);
}

.paf-filter-tab:hover {
    background-color: var(--paf-gray-50);
    color: var(--paf-gray-900);
}

.paf-filter-tab.active {
    background-color: var(--paf-accent);
    color: var(--paf-white);
    box-shadow: var(--paf-shadow-sm);
}

.paf-filter-tab:focus {
    outline: 2px solid var(--paf-accent-light);
    outline-offset: 2px;
}

/* Filter Groups */
.paf-filter-group {
    margin-bottom: var(--paf-space-5);
}

.paf-filter-label {
    display: block;
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-bold);
    color: var(--paf-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--paf-space-2);
    font-family: var(--paf-font-sans);
}

/* Text Input */
.paf-input-wrapper {
    position: relative;
}

.paf-text-input {
    width: 100%;
    padding: var(--paf-space-3) var(--paf-space-4);
    padding-right: var(--paf-space-10);
    font-size: var(--paf-text-base);
    font-family: var(--paf-font-sans);
    color: var(--paf-gray-800);
    background-color: var(--paf-white);
    border: 2px solid var(--paf-white);
    border-radius: var(--paf-radius-base);
    transition: all 0.2s ease;
}

.paf-text-input::placeholder {
    color: var(--paf-gray-400);
}

.paf-text-input:hover {
    border-color: var(--paf-gray-200);
}

.paf-text-input:focus {
    outline: none;
    border-color: var(--paf-accent);
    box-shadow: 0 0 0 3px var(--paf-accent-light);
}

.paf-input-icon {
    position: absolute;
    right: var(--paf-space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--paf-success);
    pointer-events: none;
}

/* Select Dropdown */
.paf-select-wrapper {
    position: relative;
}

.paf-select {
    width: 100%;
    padding: var(--paf-space-3) var(--paf-space-10) var(--paf-space-3) var(--paf-space-4);
    font-size: var(--paf-text-base);
    font-family: var(--paf-font-sans);
    color: var(--paf-gray-700);
    background-color: var(--paf-white);
    border: 2px solid var(--paf-white);
    border-radius: var(--paf-radius-base);
    appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--paf-space-3) center;
    background-size: 20px;
}

.paf-select:hover {
    border-color: var(--paf-gray-200);
}

.paf-select:focus {
    outline: none;
    border-color: var(--paf-accent);
    box-shadow: 0 0 0 3px var(--paf-accent-light);
}

.paf-select:disabled {
    background-color: var(--paf-gray-100);
    color: var(--paf-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Helper Text */
.paf-helper-text {
    display: block;
    font-size: var(--paf-text-sm);
    color: var(--paf-white);
    margin-top: var(--paf-space-2);
    opacity: 0.9;
    font-family: var(--paf-font-sans);
}

/* Filter Actions */
.paf-filter-actions {
    display: flex;
    gap: var(--paf-space-3);
    margin-top: var(--paf-space-6);
    padding-top: var(--paf-space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.paf-button-clear {
    flex: 1;
    padding: var(--paf-space-3) var(--paf-space-4);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-white);
    background-color: transparent;
    border: 2px solid var(--paf-white);
    border-radius: var(--paf-radius-base);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--paf-font-sans);
}

.paf-button-clear:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.paf-button-clear:active {
    transform: scale(0.98);
}

.paf-button-apply {
    flex: 1;
    padding: var(--paf-space-3) var(--paf-space-4);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-primary);
    background-color: var(--paf-white);
    border: 2px solid var(--paf-white);
    border-radius: var(--paf-radius-base);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--paf-font-sans);
}

.paf-button-apply:hover {
    background-color: var(--paf-gray-50);
}

.paf-button-apply:active {
    transform: scale(0.98);
}

/* ============================================
   Search Results Grid
   ============================================ */

.paf-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--paf-space-6);
    padding: var(--paf-space-6);
}

@media (max-width: 640px) {
    .paf-results-grid {
        grid-template-columns: 1fr;
        gap: var(--paf-space-4);
        padding: var(--paf-space-4);
    }

    .paf-filter-sidebar {
        max-width: 100%;
        margin-bottom: var(--paf-space-6);
    }
}

@media (min-width: 1280px) {
    .paf-results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Pet Card */
.paf-pet-card {
    background-color: var(--paf-white);
    border-radius: var(--paf-radius-lg);
    overflow: hidden;
    box-shadow: var(--paf-shadow-base);
    transition: all 0.3s ease;
    cursor: pointer;
    height: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.paf-pet-card:hover {
    box-shadow: var(--paf-shadow-lg);
    transform: translateY(-4px);
}

.paf-pet-card:focus-within {
    outline: 2px solid var(--paf-accent);
    outline-offset: 2px;
}

.paf-pet-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Pet Image */
.paf-pet-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%;
    background-color: var(--paf-gray-100);
    overflow: hidden;
    flex-shrink: 0;
}

.paf-pet-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
    transition: transform 0.3s ease;
}

.paf-pet-card:hover .paf-pet-image {
    transform: scale(1.05);
}

/* Status Badge */
.paf-pet-status-badge {
    position: absolute;
    top: var(--paf-space-3);
    right: var(--paf-space-3);
    padding: var(--paf-space-1) var(--paf-space-3);
    background-color: var(--paf-success);
    color: var(--paf-white);
    font-size: var(--paf-text-xs);
    font-weight: var(--paf-font-semibold);
    text-transform: uppercase;
    border-radius: var(--paf-radius-full);
    box-shadow: var(--paf-shadow-md);
}

.paf-pet-status-badge.pending {
    background-color: var(--paf-warning);
}

/* Pet Content */
.paf-pet-content {
    padding: var(--paf-space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.paf-pet-name {
    font-size: var(--paf-text-xl);
    font-weight: var(--paf-font-bold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-2) 0;
    line-height: var(--paf-leading-tight);
    font-family: var(--paf-font-sans);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.paf-pet-breed {
    font-size: var(--paf-text-sm);
    color: var(--paf-gray-600);
    margin: 0 0 var(--paf-space-3) 0;
    font-family: var(--paf-font-sans);
}

/* Pet Meta */
.paf-pet-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--paf-space-3);
    margin-top: auto;
    padding-top: var(--paf-space-3);
    border-top: 1px solid var(--paf-gray-200);
}

.paf-pet-meta-item {
    display: flex;
    align-items: center;
    gap: var(--paf-space-1);
    font-size: var(--paf-text-xs);
    color: var(--paf-gray-600);
    font-family: var(--paf-font-sans);
}

.paf-pet-meta-icon {
    width: 14px;
    height: 14px;
    color: var(--paf-gray-400);
}

/* Good With */
.paf-good-with-item {
    flex-basis: 100%;
    display: inline-flex;
    gap: 5px;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    line-height: 1.25;
}

.paf-good-with-item strong {
    white-space: nowrap;
}

/* ========================================
   FORCE PET CARDS TO MATCH HEIGHT
   ======================================== */

.paf-results-grid {
  align-items: stretch !important;
}

.paf-results-grid > .paf-pet-card {
  display: flex !important;
  flex-direction: column !important;
  align-self: stretch !important;
  height: auto !important;
}

.paf-pet-card-link {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 1 auto !important;
  height: 100% !important;
}

.paf-pet-content {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 1 auto !important;
  min-height: 300px;
}

.paf-pet-meta {
  margin-top: auto !important;
}

/* mobile/tablet: loosen it back up */
@media (max-width: 767px) {
  .paf-pet-content {
    min-height: 0;
  }
}

/* ============================================
   Pet Detail Page
   ============================================ */

.paf-detail-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--paf-space-6);
}

.paf-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--paf-space-8);
    margin-bottom: var(--paf-space-8);
}

@media (max-width: 768px) {
    .paf-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--paf-space-6);
    }
}

/* Image Gallery */
.paf-image-gallery {
    position: relative;
}

.paf-main-image {
    width: 100%;
    border-radius: var(--paf-radius-lg);
    box-shadow: var(--paf-shadow-lg);
    margin-bottom: var(--paf-space-4);
}

.paf-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--paf-space-2);
}

.paf-thumbnail {
    cursor: pointer;
    border-radius: var(--paf-radius-base);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.paf-thumbnail:hover,
.paf-thumbnail.active {
    border-color: var(--paf-accent);
}

.paf-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* Pet Info */
.paf-pet-info {
    display: flex;
    flex-direction: column;
}

.paf-pet-title {
    font-size: var(--paf-text-4xl);
    font-weight: var(--paf-font-bold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-4) 0;
    font-family: var(--paf-font-sans);
}

.paf-pet-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--paf-space-4);
    margin-bottom: var(--paf-space-6);
    padding: var(--paf-space-6);
    background-color: var(--paf-gray-50);
    border-radius: var(--paf-radius-lg);
}

@media (max-width: 480px) {
    .paf-pet-meta-grid {
        grid-template-columns: 1fr;
    }
}

.paf-meta-item {
    display: flex;
    flex-direction: column;
}

.paf-meta-label {
    font-size: var(--paf-text-xs);
    color: var(--paf-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--paf-space-1);
    font-family: var(--paf-font-sans);
}

.paf-meta-value {
    font-size: var(--paf-text-base);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-gray-900);
    font-family: var(--paf-font-sans);
}

.paf-meta-value a {
    color: var(--paf-accent);
    text-decoration: none;
}

.paf-meta-value a:hover {
    text-decoration: underline;
}

/* Description */
.paf-pet-description {
    margin-bottom: var(--paf-space-6);
}

.paf-pet-description h2 {
    font-size: var(--paf-text-2xl);
    font-weight: var(--paf-font-bold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-4) 0;
    font-family: var(--paf-font-sans);
}

.paf-pet-description p {
    font-size: var(--paf-text-base);
    line-height: var(--paf-leading-relaxed);
    color: var(--paf-gray-700);
    font-family: var(--paf-font-sans);
}

/* Actions */
.paf-pet-actions {
    margin-bottom: var(--paf-space-6);
}

.paf-button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--paf-space-2);
    padding: var(--paf-space-3) var(--paf-space-6);
    font-size: var(--paf-text-base);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-white);
    background-color: var(--paf-accent);
    border: 2px solid var(--paf-accent);
    border-radius: var(--paf-radius-base);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: var(--paf-font-sans);
}

.paf-button-primary:hover {
    background-color: #0066CC;
    border-color: #0066CC;
    transform: translateY(-2px);
    box-shadow: var(--paf-shadow-lg);
}

/* Share Section */
.paf-share-section {
    margin-bottom: var(--paf-space-6);
}

.paf-share-title {
    font-size: var(--paf-text-lg);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-3) 0;
    font-family: var(--paf-font-sans);
}

.paf-share-buttons {
    display: flex;
    gap: var(--paf-space-3);
    flex-wrap: wrap;
}

.paf-share-button {
    display: inline-flex;
    align-items: center;
    gap: var(--paf-space-2);
    padding: var(--paf-space-2) var(--paf-space-4);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-medium);
    color: var(--paf-gray-700);
    background-color: var(--paf-white);
    border: 1px solid var(--paf-gray-300);
    border-radius: var(--paf-radius-base);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: var(--paf-font-sans);
}

.paf-share-button:hover {
    background-color: var(--paf-gray-50);
    border-color: var(--paf-gray-400);
}

.paf-share-icon {
    width: 16px;
    height: 16px;
}

.paf-copy-feedback {
    display: inline-block;
    margin-left: var(--paf-space-3);
    color: var(--paf-success);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-medium);
}

/* Back Navigation */
.paf-back-navigation {
    margin-top: var(--paf-space-8);
    padding-top: var(--paf-space-6);
    border-top: 1px solid var(--paf-gray-200);
}

.paf-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--paf-space-2);
    padding: var(--paf-space-2) var(--paf-space-4);
    font-size: var(--paf-text-sm);
    font-weight: var(--paf-font-medium);
    color: var(--paf-gray-700);
    background-color: transparent;
    border: 1px solid var(--paf-gray-300);
    border-radius: var(--paf-radius-base);
    text-decoration: none;
    transition: all 0.2s ease;
}

.paf-back-link:hover {
    background-color: var(--paf-gray-50);
    border-color: var(--paf-gray-400);
}

/* Availability Alert */
.paf-availability-alert {
    padding: var(--paf-space-4);
    border-radius: var(--paf-radius-lg);
    margin-bottom: var(--paf-space-6);
    display: flex;
    align-items: center;
    gap: var(--paf-space-3);
}

.paf-availability-alert.pending {
    background-color: #FFFBEB;
    border: 2px solid var(--paf-warning);
    color: #92400E;
}

.paf-availability-alert.unavailable {
    background-color: #FEF2F2;
    border: 2px solid var(--paf-error);
    color: #991B1B;
}

.paf-alert-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* Pet Not Found */
.paf-pet-not-found {
    text-align: center;
    padding: var(--paf-space-16) var(--paf-space-6);
}

.paf-pet-not-found h1 {
    font-size: var(--paf-text-3xl);
    font-weight: var(--paf-font-bold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-4) 0;
    font-family: var(--paf-font-sans);
}

.paf-pet-not-found p {
    font-size: var(--paf-text-base);
    color: var(--paf-gray-600);
    margin-bottom: var(--paf-space-4);
}

.paf-pet-not-found ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--paf-space-8) 0;
}

.paf-pet-alternatives {
    margin-top: var(--paf-space-8);
}

.paf-pet-alternatives h2 {
    font-size: var(--paf-text-2xl);
    font-weight: var(--paf-font-bold);
    color: var(--paf-gray-900);
    margin: 0 0 var(--paf-space-4) 0;
}

/* ============================================
   Loading States
   ============================================ */

.paf-loading-initial,
.paf-loading-more {
    text-align: center;
    padding: var(--paf-space-8);
}

.paf-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--paf-gray-200);
    border-top-color: var(--paf-accent);
    border-radius: 50%;
    animation: paf-spin 0.8s linear infinite;
}

@keyframes paf-spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Empty States
   ============================================ */

.paf-empty-state {
    text-align: center;
    padding: var(--paf-space-16) var(--paf-space-6);
}

.paf-empty-icon {
    font-size: 4rem;
    margin-bottom: var(--paf-space-4);
}

.paf-empty-state h3 {
    font-size: var(--paf-text-2xl);
    font-weight: var(--paf-font-semibold);
    color: var(--paf-gray-900);
    margin-bottom: var(--paf-space-2);
}

.paf-empty-state p {
    font-size: var(--paf-text-base);
    color: var(--paf-gray-600);
}

.paf-end-message {
    text-align: center;
    padding: var(--paf-space-6);
    color: var(--paf-gray-600);
}

/* ============================================
   Notices
   ============================================ */

.paf-notice {
    padding: var(--paf-space-4);
    border-radius: var(--paf-radius-md);
    margin-bottom: var(--paf-space-4);
}

.paf-notice-error {
    background-color: #FEF2F2;
    border: 2px solid var(--paf-error);
    color: #991B1B;
}

.paf-notice-warning {
    background-color: #FFFBEB;
    border: 2px solid var(--paf-warning);
    color: #92400E;
}

.paf-notice-info {
    background-color: #EFF6FF;
    border: 2px solid var(--paf-info);
    color: #1E40AF;
}

/* ============================================
   Utility Classes
   ============================================ */

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