@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    color: #f1f5f9;
    margin: 1.5rem 0 0.75rem 0;
}

p {
    color: #e2e8f0;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1a1f3a 100%);
    color: #e2e8f0;
    line-height: 1.6;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, #1a2332 0%, #0f172a 100%);
    border-bottom: 1px solid #334155;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.logo {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.user-label {
    font-size: 0.85rem;
    color: #94a3b8;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    text-align: right;
}

.user-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f1f5f9;
}

.user-role {
    font-size: 0.8rem;
    color: #94a3b8;
}

.nav {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: #1a2332;
    border-bottom: 1px solid #334155;
    flex-wrap: wrap;
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 0.625rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover {
    background: #334155;
    color: #60a5fa;
}

.main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem 3rem;
}

.footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.85rem;
    color: #64748b;
    border-top: 1px solid #334155;
    background: #0f172a;
}

.card {
    background: #1e293b;
    border-radius: 1.125rem;
    padding: 2rem;
    border: 1px solid #334155;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #e2e8f0;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.card-centered {
    max-width: 520px;
    margin: 4rem auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.subtitle {
    margin: 0.5rem 0 0 0;
    color: #94a3b8;
    font-size: 0.95rem;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.radio-group {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.radio-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 0.625rem;
    border: 1.5px solid #475569;
    background: #0f172a;
    font-size: 0.9rem;
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-pill:hover {
    border-color: #3b82f6;
    background: #1e293b;
}

.radio-pill input[type="radio"] {
    accent-color: #2563eb;
    cursor: pointer;
}

.radio-pill input[type="radio"]:checked + label {
    color: #60a5fa;
}

.form-inline {
    flex-direction: row;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
}

.form-label {
    display: flex;
    flex-direction: column;
    font-size: 0.9rem;
    color: #e2e8f0;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.form-separator {
    align-self: center;
    margin: 0 0.5rem;
    color: #cbd5e1;
}

.input {
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1.5px solid #475569;
    background: #0f172a;
    color: #e2e8f0;
    font-size: 0.95rem;
    min-width: 240px;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.input::placeholder {
    color: #64748b;
}

/* Select стилі */
select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%233b82f6' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

select.input option {
    color: #e2e8f0;
    background-color: #1e293b;
    padding: 0.5rem;
}

.btn {
    border: none;
    border-radius: 0.75rem;
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Inter', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: #60a5fa;
    border: 1.5px solid #3b82f6;
}

.btn-outline:hover {
    background: #1e293b;
}

.alert {
    border-radius: 0.875rem;
    padding: 1rem 1.25rem;
    margin-top: 1rem;
    font-size: 0.95rem;
    border-left: 4px solid;
}

.alert-error {
    background: linear-gradient(135deg, #7f1d1d 0%, #5f0d0d 100%);
    border-color: #ff6b6b;
    color: #ffa8a8;
}

.alert-info {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f2744 100%);
    border-color: #60a5fa;
    color: #93c5fd;
}

.alert-success {
    background: linear-gradient(135deg, #1f4d2e 0%, #0f3620 100%);
    border-color: #4ade80;
    color: #86efac;
}

.hint {
    margin-top: 1rem;
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== СІТКА ТОВАРІВ ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.product-card {
    display: flex;
    flex-direction: column;
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: #3b82f6;
    box-shadow: 0 16px 32px rgba(59, 130, 246, 0.2);
}

/* ===== ЗОБРАЖЕННЯ ТОВАРУ ===== */
.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #0f1729 0%, #1a2540 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image {
    transform: scale(1.08);
}

.product-image-placeholder {
    color: #475569;
    font-size: 0.9rem;
    text-align: center;
    font-weight: 500;
}

/* ЗНАЧОК ЦІНИ */
.product-price-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.625rem;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* ===== ВМІСТ КАРТОЧКИ ===== */
.product-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.25rem;
    gap: 0.75rem;
}

.product-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #f1f5f9;
    line-height: 1.4;
}

/* ===== МЕТАІНФОРМАЦІЯ ===== */
.product-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #334155;
}

.meta-item {
    font-size: 0.85rem;
    color: #cbd5e1;
}

.meta-item strong {
    color: #e2e8f0;
    font-weight: 600;
}

/* ===== ХАРАКТЕРИСТИКИ ===== */
.product-specs {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.5rem 0;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    gap: 0.75rem;
}

.spec-label {
    color: #94a3b8;
    flex: 0 0 auto;
    font-weight: 500;
}

.spec-value {
    color: #e2e8f0;
    flex: 1 1 auto;
    text-align: right;
    font-weight: 500;
}

/* ===== НАЯВНІСТЬ НА СКЛАДАХ ===== */
.product-stock {
    margin: 0.75rem 0;
    padding: 0.75rem 0;
    border-top: 1px solid #334155;
    border-bottom: 1px solid #334155;
}

.stock-label {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stock-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.stock-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    gap: 0.2rem;
}

.stock-city {
    display: block;
    opacity: 0.85;
}

.stock-qty {
    display: block;
    font-size: 0.9rem;
    font-weight: 800;
}

.stock-kyiv {
    background: linear-gradient(135deg, #0c4a6e 0%, #082f47 100%);
    border: 1px solid #06b6d4;
    color: #7dd3fc;
}

.stock-khmeln {
    background: linear-gradient(135deg, #581c87 0%, #3d0f66 100%);
    border: 1px solid #d946ef;
    color: #e9d5ff;
}

.stock-nezhyn {
    background: linear-gradient(135deg, #831843 0%, #5a0f3d 100%);
    border: 1px solid #ec4899;
    color: #fbcfe8;
}

.stock-way {
    background: linear-gradient(135deg, #7c2d12 0%, #52200b 100%);
    border: 1px solid #f97316;
    color: #fed7aa;
}

/* ===== РОЗШИРЕНІ ДЕТАЛІ ===== */
.product-details {
    margin: 0;
    padding: 0;
}

.product-details summary {
    cursor: pointer;
    font-size: 0.85rem;
    color: #60a5fa;
    padding: 0.5rem 0;
    transition: color 0.2s;
    user-select: none;
    font-weight: 600;
}

.product-details summary:hover {
    color: #93c5fd;
}

.details-content {
    margin-top: 0.75rem;
    padding: 0.75rem 0;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    gap: 0.75rem;
}

.detail-label {
    color: #94a3b8;
    font-weight: 600;
    flex: 0 0 auto;
}

.detail-value {
    color: #e2e8f0;
    text-align: right;
    flex: 1 1 auto;
}

.detail-row.restricted-info {
    border-left: 3px solid #f59e0b;
    padding-left: 0.5rem;
    background: linear-gradient(135deg, #78350f 0%, #54210e 100%);
    padding: 0.4rem 0.5rem;
    border-radius: 0.4rem;
}

.detail-row.restricted-info .detail-label {
    color: #fcd34d;
}

.detail-row.restricted-info .detail-value {
    color: #fde047;
    font-weight: 600;
}

/* ===== ФОРМА ДОДАВАННЯ В КОШИК ===== */
.product-cart-form {
    display: flex;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid #334155;
}

.product-qty-input {
    width: 60px;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    border: 1.5px solid #475569;
    background: #0f172a;
    color: #e2e8f0;
    font-size: 0.85rem;
    text-align: center;
    font-weight: 600;
    transition: all 0.2s;
}

.product-qty-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-add-cart {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
}

/* ===== ПОРОЖНІЙ СТАН ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #94a3b8;
}

.empty-state p {
    margin: 0.5rem 0;
    font-size: 1rem;
}

/* ===== ТАБЛИЦІ ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.25rem;
    font-size: 0.9rem;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #334155;
    text-align: left;
    color: #e2e8f0;
}

.table th {
    color: #cbd5e1;
    font-weight: 700;
    background: #0f172a;
}

.table tr:hover {
    background: #1e293b;
}

.table-wrapper {
    margin-top: 1.25rem;
    overflow-x: auto;
    border-radius: 0.875rem;
    border: 1px solid #334155;
}

.cart-row-form {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ===== РОЗМІРНІ КНОПКИ ===== */
.sizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.size-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    min-height: 48px;
    cursor: pointer;
}

.size-button:hover {
    background: linear-gradient(135deg, #1e40af 0%, #0284c7 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

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

.diameter-highlight {
    color: #fbbf24;
    font-weight: 800;
}

/* ===== ПАГІНАЦІЯ ===== */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.page-link {
    color: #60a5fa;
    text-decoration: none;
    padding: 0.4rem 0.85rem;
    border-radius: 0.625rem;
    border: 1.5px solid #3b82f6;
    background: transparent;
    font-weight: 600;
    transition: all 0.2s;
}

.page-link:hover {
    background: #1e293b;
}

.page-info {
    color: #94a3b8;
    font-weight: 500;
}

/* ===== РЕЗОНАСИВНИЙ ДИЗАЙН ===== */
@media (max-width: 768px) {
    .header {
        padding: 1rem 1rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .nav {
        padding: 0.5rem 1rem;
        gap: 0.25rem;
    }

    .nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .form-inline {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .form-label {
        margin-right: 0;
    }

    .form-separator {
        margin: 0;
    }

    .input {
        min-width: 100%;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1rem;
    }

    .product-image-wrapper {
        height: 180px;
    }

    .product-price-badge {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .product-content {
        padding: 1rem;
    }

    .product-title {
        font-size: 0.95rem;
    }

    .sizes-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    }

    .table {
        font-size: 0.8rem;
    }

    .table th,
    .table td {
        padding: 0.5rem 0.75rem;
    }

    .card {
        padding: 1.5rem;
    }

    .main {
        padding: 0 0.75rem 2rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .logo {
        font-size: 1.2rem;
    }

    .header-right {
        width: 100%;
    }

    .nav {
        padding: 0.5rem 1rem;
    }

    .nav-link {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
    }

    .card {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .product-card {
        flex-direction: row;
    }

    .product-image-wrapper {
        max-width: 100px;
        min-width: 100px;
        height: 100px;
        border-radius: 0.75rem 0 0 0.75rem;
    }

    .product-content {
        padding: 0.75rem;
    }

    .product-title {
        font-size: 0.85rem;
        margin: 0;
    }

    .product-specs {
        gap: 0.25rem;
    }

    .spec-item {
        font-size: 0.75rem;
    }

    .stock-items {
        gap: 0.3rem;
    }

    .stock-badge {
        padding: 0.25rem 0.4rem;
        font-size: 0.65rem;
    }

    .product-cart-form {
        gap: 0.5rem;
    }

    .input {
        min-width: 100%;
        padding: 0.65rem 0.75rem;
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }

    .sizes-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.5rem;
    }

    .size-button {
        padding: 0.6rem 0.75rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .main {
        margin: 1rem auto;
    }

    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.35rem 0.5rem;
    }

    .form-inline {
        flex-wrap: wrap;
    }

    .radio-pill {
        padding: 0.35rem 0.75rem;
        font-size: 0.8rem;
    }
}