/* ===== متغیرهای رنگی ===== */
:root {
    --primary-red: #D32F2F;
    --light-red: #F44336;
    --golden-yellow: #FFC107;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #888888;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --border-light: #EEEEEE;
    --border-medium: #DDDDDD;
    --success: #28A745;
    --error: #DC3545;
}

/* ===== استایل‌های عمومی ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'IRANSans', 'Vazirmatn', 'Tahoma', sans-serif;
    background-color: var(--light-gray);
    color: var(--text-dark);
}


/* استایل بخش احراز هویت */
.auth-required-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.auth-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.auth-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
}

.auth-btn-login {
    background-color: #4f46e5;
    color: white;
}

.auth-btn-login:hover {
    background-color: #4338ca;
    transform: translateY(-2px);
}

.auth-btn-register {
    background-color: white;
    color: #4f46e5;
    border: 2px solid #4f46e5;
}

.auth-btn-register:hover {
    background-color: #4f46e5;
    color: white;
    transform: translateY(-2px);
}

.auth-btn-verify {
    background-color: #f59e0b;
    color: white;
}

.auth-btn-verify:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

/* استایل برای حالت غیرفعال فرم */
.filter-section.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* ===== بخش فیلترها ===== */
.filter-section {
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
    border-radius: 12px;
    margin: 20px auto 30px;
    max-width: 1200px;
    position: relative;
    overflow: hidden;
}

.filter-form {
    padding: 24px;
    position: relative;
    z-index: 10;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.filter-group {
    margin-bottom: 0;
    position: relative;
}

.filter-label {
    display: block;
    margin-bottom: 8px;
    color: var(--white);
    font-weight: 500;
    font-size: 14px;
}

/* استایل‌های dropdown */
.filter-select-wrapper {
    position: relative;
    width: 100%;
}

.filter-select {
    width: 100%;
    padding: 12px 40px 12px 16px !important;
    border: 2px solid rgba(255, 255, 255, 0.4) !important;
    border-radius: 8px !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    color: var(--text-dark) !important;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23333333'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: left 12px center !important;
    background-size: 16px !important;
    position: relative;
    z-index: 100;
}

.filter-select:focus,
.filter-select:active {
    border-color: var(--golden-yellow) !important;
    background-color: white !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.3) !important;
}

.filter-select option {
    color: var(--text-dark) !important;
    background-color: white !important;
    padding: 12px !important;
    font-size: 14px !important;
}

.filter-select option:hover {
    background-color: var(--light-red) !important;
    color: white !important;
}

.filter-select option:checked {
    background-color: var(--primary-red) !important;
    color: white !important;
}

.filter-select:disabled {
    background-color: rgba(255, 255, 255, 0.6) !important;
    cursor: not-allowed;
    opacity: 0.7;
}

/* استایل‌های تاریخ */
.date-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.date-input-container {
    position: relative;
}

.date-input-container::after {
    content: '📅';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 16px;
    z-index: 1;
}

.filter-date {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-dark);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-date:focus {
    border-color: var(--golden-yellow);
    background: white;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.3);
}

/* دکمه‌های فیلتر */
.filter-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

.filter-btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-family: 'IRANSans', 'Vazirmatn', 'Tahoma', sans-serif;
}

.filter-btn-primary {
    background-color: var(--golden-yellow);
    color: var(--text-dark);
}

.filter-btn-primary:hover {
    background-color: #FFB830;
    transform: translateY(-2px);
}

.filter-btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.filter-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* اطلاع‌رسانی فیلتر */
.filter-info {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.filter-info-text {
    color: var(--white);
    font-size: 14px;
}

.filter-info-clear {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s ease;
}

.filter-info-clear:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* ===== بخش محصولات ===== */
.products-section {
    margin: 30px auto;
    max-width: 1200px;
    padding: 0 20px;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-light);
}

.products-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.products-count {
    font-size: 14px;
    color: var(--text-light);
    background: var(--light-gray);
    padding: 6px 16px;
    border-radius: 20px;
}

/* ===== لیست سطری محصولات (حالت پیشفرض دسکتاپ) ===== */
.products-list-table {
    width: 100%;
    display: block;
}

.product-row {
    display: grid;
    grid-template-columns: 120px 1fr 150px 120px;
    align-items: center;
    gap: 20px;
    padding: 16px;
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.product-row:hover {
    border-color: var(--primary-red);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.1);
    transform: translateY(-2px);
}

/* تصویر محصول */
.product-row-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
}

.product-row-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-row:hover .product-row-image img {
    transform: scale(1.05);
}

/* اطلاعات محصول */
.product-row-info {
    padding-right: 10px;
}

.product-row-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-row-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.product-row-category {
    font-size: 12px;
    color: var(--text-light);
    background: var(--light-gray);
    padding: 4px 10px;
    border-radius: 4px;
}

.product-row-availability {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 4px;
}

.product-row-availability.available {
    color: var(--success);
    background-color: rgba(40, 167, 69, 0.1);
}

.product-row-availability.unavailable {
    color: var(--error);
    background-color: rgba(220, 53, 69, 0.1);
}

/* قیمت محصول */
.product-row-price {
    text-align: left;
    padding: 0 10px;
}

.product-row-price-amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-red);
    display: block;
}

.product-row-price-period {
    font-size: 12px;
    color: var(--text-light);
    display: block;
    margin-top: 4px;
}

/* دکمه رزرو */
.product-row-action {
    text-align: center;
}

.row-reserve-btn {
    padding: 10px 20px;
    background: var(--primary-red);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    width: 100%;
    min-width: 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.row-reserve-btn:hover:not(:disabled):not(.added) {
    background: var(--light-red);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

.row-reserve-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    opacity: 0.6;
}

.row-reserve-btn.added {
    background-color: var(--success) !important;
    padding-left: 40px;
}

.row-reserve-btn.added::before {
    content: '✓';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
}

/* حالت بارگذاری دکمه */
.row-reserve-btn.loading {
    position: relative;
    color: transparent;
}

.row-reserve-btn.loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: button-spin 0.8s linear infinite;
}

@keyframes button-spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== ریسپانسیو برای تبلت ===== */
@media (max-width: 992px) {
    .filter-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-row {
        grid-template-columns: 100px 1fr 130px 100px;
        gap: 15px;
    }
    
    .product-row-image {
        width: 100px;
        height: 100px;
    }
}

/* ===== ریسپانسیو برای موبایل ===== */
@media (max-width: 768px) {
    .filter-section {
        margin: 15px;
        border-radius: 10px;
    }
    
    .filter-form {
        padding: 16px;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .date-inputs {
        grid-template-columns: 1fr;
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .filter-info {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .filter-info-clear {
        align-self: stretch;
        text-align: center;
    }
    
    .products-section {
        margin: 20px 15px;
        padding: 0;
    }
    
    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    /* لیست سطری در موبایل */
    .product-row {
        grid-template-columns: 80px 1fr auto;
        grid-template-rows: auto auto auto;
        grid-template-areas: 
            "image name action"
            "image price price"
            "meta meta meta";
        gap: 8px;
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .product-row-image {
        grid-area: image;
        width: 80px;
        height: 80px;
    }
    
    .product-row-info {
        grid-area: name;
        padding: 0;
    }
    
    .product-row-name {
        font-size: 14px;
        margin-bottom: 4px;
        -webkit-line-clamp: 2;
        line-height: 1.4;
    }
    
    .product-row-meta {
        grid-area: meta;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 8px;
        margin-top: 4px;
        border-top: 1px solid var(--border-light);
    }
    
    .product-row-price {
        grid-area: price;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 4px 0;
        margin-top: 4px;
    }
    
    .product-row-price-amount {
        font-size: 15px;
    }
    
    .product-row-price-period {
        font-size: 11px;
        margin-top: 0;
    }
    
    .product-row-action {
        grid-area: action;
        align-self: flex-start;
    }
    
    .row-reserve-btn {
        padding: 6px 12px;
        font-size: 12px;
        min-width: 70px;
    }
    
    .row-reserve-btn.added {
        padding-left: 30px;
    }
    
    .row-reserve-btn.added::before {
        left: 10px;
        font-size: 12px;
    }
    
    .product-row-category,
    .product-row-availability {
        font-size: 11px;
        padding: 3px 8px;
    }
}

/* ===== ریسپانسیو برای موبایل کوچک ===== */
@media (max-width: 480px) {
    .product-row {
        grid-template-columns: 70px 1fr auto;
        gap: 6px;
        padding: 10px;
    }
    
    .product-row-image {
        width: 70px;
        height: 70px;
    }
    
    .product-row-name {
        font-size: 13px;
    }
    
    .product-row-price-amount {
        font-size: 14px;
    }
    
    .product-row-price-period {
        font-size: 10px;
    }
    
    .row-reserve-btn {
        padding: 5px 10px;
        font-size: 11px;
        min-width: 65px;
    }
    
    .row-reserve-btn.added {
        padding-left: 25px;
    }
    
    .row-reserve-btn.added::before {
        left: 8px;
        font-size: 11px;
    }
    
    .product-row-meta {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .product-row-category,
    .product-row-availability {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* ===== استایل‌های حالت خالی ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--white);
    border-radius: 12px;
    border: 2px dashed var(--border-light);
}

.empty-icon {
    font-size: 64px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.empty-description {
    color: var(--text-medium);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ===== استایل‌های بارگذاری ===== */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.loading-content {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-text {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
}

/* ===== نوتیفیکیشن‌ها ===== */
.toast-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateX(-50%) translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.toast-success {
    background-color: var(--success);
    color: white;
}

.toast-error {
    background-color: var(--error);
    color: white;
}

.toast-info {
    background-color: var(--primary-red);
    color: white;
}

/* ===== بهبودهای ظاهری ===== */
/* محصولات غیرقابل رزرو */
.product-row.unavailable {
    opacity: 0.8;
}

.product-row.unavailable .row-reserve-btn {
    background: var(--text-light);
    cursor: not-allowed;
}

.product-row.unavailable:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-light);
}

/* محصولات اضافه شده به سبد */
.product-row.added-to-cart {
    border-color: var(--success);
    background: rgba(40, 167, 69, 0.03);
}

/* انیمیشن‌های ظریف */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-row {
    animation: fadeIn 0.3s ease;
}

/* اسکرول بار سفارشی */
.product-list-container::-webkit-scrollbar {
    width: 6px;
}

.product-list-container::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 3px;
}

.product-list-container::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 3px;
}

.product-list-container::-webkit-scrollbar-thumb:hover {
    background: var(--light-red);
}