/**
 * Equipment Rental - Frontend Styles
 * Version 1.3.0 - Apple Glass Design System
 *
 * @package Equipment_Rental
 */

/* ==========================================================================
   Glass Design System Variables
   ========================================================================== */
:root {
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-bg-solid: rgba(255, 255, 255, 0.92);
    --glass-border: 1px solid rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --glass-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    --glass-blur: blur(20px);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    /* Colors */
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --text-main: #1d1d1f;
    --text-muted: #86868b;
    --text-light: #aeaeb2;
    --bg-body: #f5f5f7;
    --success: #34c759;
    --warning: #ff9500;
    --danger: #ff3b30;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
}

/* ==========================================================================
   Equipment Catalog
   ========================================================================== */
.equipment-catalog {
    padding: var(--spacing-lg) 0;
}

/* Filter Pills (Apple Style) */
.equipment-catalog-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    border-bottom: none;
    margin-bottom: var(--spacing-lg);
    justify-content: center;
    padding: var(--spacing-sm);
}

.equipment-filter-btn {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.equipment-filter-btn:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.equipment-filter-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.35);
    transform: translateY(-2px);
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 992px) {
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .equipment-grid {
        grid-template-columns: 1fr;
    }
}

/* Equipment Card (Glass Effect) */
.equipment-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.equipment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--glass-shadow-hover);
}

.equipment-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
}

.equipment-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.equipment-card:hover .equipment-card-image img {
    transform: scale(1.05);
}

.equipment-card-image .no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-light);
    font-size: 48px;
}

.equipment-card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.equipment-card-title {
    margin: 0 0 var(--spacing-xs);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.equipment-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.equipment-card-title a:hover {
    color: var(--accent);
}

.equipment-card-category {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.equipment-card-excerpt {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    flex: 1;
}

.equipment-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: auto;
}

.equipment-card-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.equipment-card-price span {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
}

.equipment-card-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.equipment-card-status.available {
    background: rgba(52, 199, 89, 0.15);
    color: #248a3d;
}

.equipment-card-status.unavailable {
    background: rgba(255, 59, 48, 0.15);
    color: #d70015;
}

.equipment-card-link {
    display: inline-block;
    padding: 10px 20px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.equipment-card-link:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

/* ==========================================================================
   Single Equipment Page
   ========================================================================== */
.single-equipment-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.single-equipment-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-lg);
}

@media (max-width: 992px) {
    .single-equipment-wrapper {
        grid-template-columns: 1fr;
    }
}

.single-equipment-main {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.single-equipment-image {
    height: 400px;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
    overflow: hidden;
}

.single-equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.single-equipment-content {
    padding: var(--spacing-lg);
}

.single-equipment-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 var(--spacing-sm);
}

.single-equipment-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.single-equipment-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
}

.single-equipment-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.single-equipment-description {
    color: var(--text-main);
    line-height: 1.7;
}

.single-equipment-description h2,
.single-equipment-description h3 {
    margin-top: var(--spacing-md);
    color: var(--text-main);
}

/* Sidebar */
.single-equipment-sidebar {
    position: sticky;
    top: var(--spacing-md);
    height: fit-content;
}

/* ==========================================================================
   Availability Calendar
   ========================================================================== */
.equipment-calendar {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.calendar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.calendar-nav {
    display: flex;
    gap: var(--spacing-xs);
}

.calendar-nav-btn {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.calendar-nav-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day-header {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    padding: var(--spacing-xs);
    text-transform: uppercase;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    cursor: default;
}

.calendar-day.available {
    background: rgba(52, 199, 89, 0.15);
    color: #248a3d;
}

.calendar-day.booked {
    background: rgba(255, 59, 48, 0.15);
    color: #d70015;
}

.calendar-day.pending {
    background: rgba(255, 149, 0, 0.15);
    color: #c93400;
}

.calendar-day.other-month {
    color: var(--text-light);
    background: transparent;
}

.calendar-legend {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.available {
    background: #34c759;
}

.legend-dot.booked {
    background: #ff3b30;
}

.legend-dot.pending {
    background: #ff9500;
}

/* ==========================================================================
   Request Form (Glass Style)
   ========================================================================== */
.equipment-request-form-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-lg);
}

.equipment-request-form h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.form-section {
    margin-bottom: var(--spacing-md);
}

.form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-section-title .dashicons {
    color: var(--accent);
    font-size: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--danger);
}

.equipment-request-form input[type="text"],
.equipment-request-form input[type="email"],
.equipment-request-form input[type="tel"],
.equipment-request-form input[type="date"],
.equipment-request-form input[type="number"],
.equipment-request-form textarea,
.equipment-request-form select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-main);
    transition: all 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.equipment-request-form input:focus,
.equipment-request-form textarea:focus,
.equipment-request-form select:focus {
    background: #fff;
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.equipment-request-form textarea {
    min-height: 100px;
    resize: vertical;
}

.equipment-request-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2386868b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Equipment Selection */
.equipment-selection-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.5);
}

.equipment-selection-category {
    background: rgba(0, 0, 0, 0.03);
    padding: 10px 14px;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-main);
    position: sticky;
    top: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.equipment-selection-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: background 0.2s;
}

.equipment-selection-item:last-child {
    border-bottom: none;
}

.equipment-selection-item:hover {
    background: rgba(0, 113, 227, 0.05);
}

.equipment-selection-item label {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    cursor: pointer;
    margin: 0;
}

.equipment-selection-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.equipment-selection-item .item-price {
    color: var(--accent);
    font-weight: 600;
    font-size: 13px;
    margin-right: 15px;
}

.equipment-selection-item input[type="number"] {
    width: 70px;
    padding: 6px 10px;
    text-align: center;
}

/* Price Estimation */
.price-estimation {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.08), rgba(0, 113, 227, 0.02));
    border: 1px solid rgba(0, 113, 227, 0.15);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.price-estimation-title {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.price-estimation-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
}

.price-estimation-value span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.price-estimation-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, #0071e3 0%, #0077ed 50%, #5856d6 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-button:hover {
    background: linear-gradient(135deg, #0077ed 0%, #5856d6 50%, #af52de 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 113, 227, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Secondary Button (UX-001) */
.button-secondary {
    padding: 12px 24px;
    background: #fff;
    color: var(--accent, #0071e3);
    border: 2px solid var(--accent, #0071e3);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.button-secondary:hover {
    background: rgba(0, 113, 227, 0.08);
    transform: translateY(-1px);
}

/* Edit Cart Button (UX-001) */
.btn-edit-cart {
    padding: 10px 20px;
    background: linear-gradient(135deg, #ff9500 0%, #ff6b00 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(255, 149, 0, 0.3);
}

.btn-edit-cart:hover {
    background: linear-gradient(135deg, #ff6b00 0%, #ff3b30 100%);
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(255, 149, 0, 0.4);
}

/* Form Messages */
.form-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.form-message.success {
    background: rgba(52, 199, 89, 0.15);
    color: #248a3d;
    border: 1px solid rgba(52, 199, 89, 0.3);
}

.form-message.error {
    background: rgba(255, 59, 48, 0.15);
    color: #d70015;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

/* ==========================================================================
   Loading States
   ========================================================================== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 768px) {
    .equipment-catalog-filters {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }
    
    .equipment-filter-btn {
        flex-shrink: 0;
    }
    
    .single-equipment-image {
        height: 250px;
    }
    
    .single-equipment-title {
        font-size: 22px;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.equipment-card {
    animation: fadeInUp 0.4s ease-out;
    animation-fill-mode: both;
}

.equipment-card:nth-child(1) { animation-delay: 0.05s; }
.equipment-card:nth-child(2) { animation-delay: 0.1s; }
.equipment-card:nth-child(3) { animation-delay: 0.15s; }
.equipment-card:nth-child(4) { animation-delay: 0.2s; }
.equipment-card:nth-child(5) { animation-delay: 0.25s; }
.equipment-card:nth-child(6) { animation-delay: 0.3s; }

/* ==========================================================================
   Cart & Checkout Styles (v1.5.0)
   ========================================================================== */

/* Quick Add Button on Catalog Cards */
.equipment-card:hover .quick-add-btn {
    opacity: 1 !important;
}

.quick-add-btn:hover {
    transform: scale(1.1);
    background: var(--accent-hover, #0077ed) !important;
}

/* Cart Page */
.equipment-cart-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.cart-items-section .glass-panel {
    overflow: hidden;
}

.cart-item:last-child {
    border-bottom: none !important;
}

.cart-item:hover {
    background: rgba(0, 113, 227, 0.02);
}

/* Quantity Controls */
.quantity-control .qty-btn {
    transition: all 0.2s ease;
}

.quantity-control .qty-btn:hover {
    background: rgba(0, 113, 227, 0.1) !important;
    border-color: var(--accent) !important;
    color: var(--accent);
}

/* Cart Sidebar */
.cart-sidebar .glass-panel {
    position: sticky;
    top: 100px;
}

/* Checkout Page */
.equipment-checkout-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.checkout-form input:focus,
.checkout-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
}

.checkout-form input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* Success Modal */
#success-modal .glass-panel {
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Toast Notifications */
.eq-toast {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive Cart */
@media (max-width: 900px) {
    .cart-layout,
    .checkout-layout {
        grid-template-columns: 1fr !important;
    }
    
    .cart-sidebar,
    .checkout-summary-section {
        order: -1;
    }
    
    .cart-sidebar .glass-panel {
        position: static;
    }
    
    .cart-item {
        flex-wrap: wrap;
    }
    
    .cart-item > div:last-child {
        width: 100%;
        text-align: right;
        margin-top: 10px;
        padding-top: 10px;
        border-top: 1px dashed rgba(0,0,0,0.1);
    }
}

@media (max-width: 600px) {
    .equipment-cart-page,
    .equipment-checkout-page {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .checkout-form [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}