/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green-dark: #1b5e20;
    --green: #2e7d32;
    --green-light: #43a047;
    --green-pale: #e8f5e9;
    --bg: #f5f5f0;
    --white: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --border: #cccccc;
    --shadow: 0 1px 3px rgba(0,0,0,.12);
}

body {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--green);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

img { max-width: 100%; height: auto; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}


/* ===== Header ===== */
.header {
    background: var(--white);
    border-bottom: 3px solid var(--green-dark);
    padding: 14px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header .logo {
    font-size: 26px;
    font-weight: bold;
    color: var(--green-dark);
    text-decoration: none;
    letter-spacing: .5px;
}
.header .logo:hover { text-decoration: none; }
.header-phone {
    font-size: 18px;
    font-weight: bold;
    color: var(--green-dark);
    white-space: nowrap;
}
.header-phone a {
    color: var(--green-dark);
    text-decoration: none;
}


/* ===== Nav ===== */
.nav {
    background: var(--green-dark);
}
.nav-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.nav-inner a {
    display: block;
    padding: 12px 20px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .5px;
    border-right: 1px solid rgba(255,255,255,.15);
    transition: background .15s;
}
.nav-inner a:first-child {
    border-left: 1px solid rgba(255,255,255,.15);
}
.nav-inner a:hover,
.nav-inner a.active {
    background: var(--green);
    text-decoration: none;
}


/* ===== Flash messages ===== */
.flash-messages {
    padding: 10px 0;
}
.flash {
    padding: 10px 16px;
    margin-bottom: 8px;
    border: 1px solid;
    font-size: 14px;
}
.flash.success {
    background: #e8f5e9;
    border-color: #a5d6a7;
    color: #2e7d32;
}
.flash.error {
    background: #ffebee;
    border-color: #ef9a9a;
    color: #c62828;
}
.flash.info {
    background: #e3f2fd;
    border-color: #90caf9;
    color: #1565c0;
}


/* ===== Breadcrumbs ===== */
.breadcrumbs {
    padding: 12px 0;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumbs a { color: var(--green); }
.breadcrumbs span { margin: 0 5px; }


/* ===== Main content ===== */
.main {
    flex: 1;
    padding: 20px 0 40px;
}

.page-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--green-dark);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--green-dark);
}


/* ===== Hero section (index) ===== */
.hero {
    background: var(--green-dark);
    color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-bottom: 30px;
}
.hero h1 {
    font-size: 30px;
    margin-bottom: 10px;
}
.hero p {
    font-size: 16px;
    opacity: .85;
}


/* ===== Cards grid ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow .15s;
}
.card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.card a { text-decoration: none; color: inherit; }
.card-image {
    width: 100%;
    aspect-ratio: 3/2;
    background: var(--green-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.card-image .no-image {
    color: var(--green);
    font-size: 48px;
    opacity: .4;
}
.card-body {
    padding: 14px 16px;
}
.card-body h3 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--green-dark);
}
.card-body p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 6px;
}
.card-body .price {
    font-size: 15px;
    font-weight: bold;
    color: var(--green-dark);
}
.card-body .product-count {
    font-size: 12px;
    color: var(--text-light);
}


/* ===== Catalog layout (sidebar + content) ===== */
.catalog-layout {
    display: flex;
    gap: 24px;
}
.catalog-sidebar {
    width: 240px;
    flex-shrink: 0;
}
.catalog-content {
    flex: 1;
    min-width: 0;
}

.sidebar-nav {
    background: var(--white);
    border: 1px solid var(--border);
}
.sidebar-nav a {
    display: block;
    padding: 10px 16px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    transition: background .15s, color .15s;
}
.sidebar-nav a:last-child { border-bottom: none; }
.sidebar-nav a:hover {
    background: var(--green-pale);
    color: var(--green-dark);
    text-decoration: none;
}
.sidebar-nav a.active {
    background: var(--green-dark);
    color: #fff;
}


/* ===== Product detail ===== */
.product-detail {
    display: flex;
    gap: 30px;
    background: var(--white);
    border: 1px solid var(--border);
    padding: 24px;
}
.product-detail-image {
    width: 400px;
    flex-shrink: 0;
}
.product-detail-image img {
    width: 100%;
    border: 1px solid var(--border);
}
.product-detail-image .no-image-large {
    width: 100%;
    aspect-ratio: 3/2;
    background: var(--green-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--green);
    opacity: .3;
}
.product-detail-info h1 {
    font-size: 22px;
    color: var(--green-dark);
    margin-bottom: 12px;
}
.product-detail-info .price {
    font-size: 20px;
    font-weight: bold;
    color: var(--green-dark);
    margin-bottom: 16px;
}
.product-detail-info .description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
}
.product-detail-info .contact-hint {
    margin-top: 24px;
    padding: 14px;
    background: var(--green-pale);
    border-left: 4px solid var(--green-dark);
    font-size: 14px;
}
.product-detail-info .contact-hint a {
    font-weight: bold;
}


/* ===== Contacts ===== */
.contacts-block {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 30px;
    max-width: 600px;
}
.contacts-block h2 {
    color: var(--green-dark);
    margin-bottom: 20px;
    font-size: 20px;
}
.contacts-block .contact-row {
    display: flex;
    margin-bottom: 14px;
    font-size: 15px;
}
.contacts-block .contact-label {
    font-weight: bold;
    width: 120px;
    flex-shrink: 0;
    color: var(--green-dark);
}
.contacts-block .contact-value a {
    color: var(--green-dark);
    font-weight: bold;
}


/* ===== Footer ===== */
.footer {
    background: var(--green-dark);
    color: rgba(255,255,255,.8);
    padding: 20px 0;
    font-size: 13px;
    text-align: center;
    margin-top: auto;
}
.footer a {
    color: #fff;
}


/* ===== Empty state ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: .4;
}
.empty-state p {
    font-size: 16px;
}


/* ===== 404 page ===== */
.page-404 {
    text-align: center;
    padding: 80px 20px;
}
.page-404 h1 {
    font-size: 72px;
    color: var(--green-dark);
}
.page-404 p {
    font-size: 18px;
    color: var(--text-light);
    margin: 10px 0 20px;
}


/* =================================================================
   ADMIN PANEL
   ================================================================= */

.admin-body {
    background: #f0f2f5;
}

.admin-layout {
    display: flex;
    min-height: calc(100vh - 56px);
}

.admin-header {
    background: var(--green-dark);
    color: #fff;
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    justify-content: space-between;
}
.admin-header .admin-brand {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}
.admin-header .admin-links a {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    margin-left: 18px;
    font-size: 14px;
}
.admin-header .admin-links a:hover {
    color: #fff;
}

.admin-sidebar {
    width: 220px;
    background: #fff;
    border-right: 1px solid #ddd;
    padding: 16px 0;
    flex-shrink: 0;
}
.admin-sidebar a {
    display: block;
    padding: 10px 20px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
}
.admin-sidebar a:hover {
    background: var(--green-pale);
    text-decoration: none;
}
.admin-sidebar a.active {
    background: var(--green-pale);
    border-left-color: var(--green-dark);
    color: var(--green-dark);
    font-weight: bold;
}

.admin-main {
    flex: 1;
    padding: 24px;
    min-width: 0;
}

.admin-card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 20px;
}
.admin-card h2 {
    font-size: 18px;
    color: var(--green-dark);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.admin-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}
.admin-stat {
    background: #fff;
    border: 1px solid #ddd;
    padding: 20px 24px;
    flex: 1;
    text-align: center;
}
.admin-stat .number {
    font-size: 36px;
    font-weight: bold;
    color: var(--green-dark);
}
.admin-stat .label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}


/* ===== Admin table ===== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.admin-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--green-pale);
    color: var(--green-dark);
    font-weight: bold;
    border-bottom: 2px solid var(--green);
}
.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}
.admin-table tr:hover td {
    background: #fafafa;
}
.admin-table .thumb {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border: 1px solid var(--border);
}


/* ===== Admin buttons ===== */
.btn {
    display: inline-block;
    padding: 8px 18px;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.4;
    text-align: center;
}
.btn:hover { text-decoration: none; }
.btn-green {
    background: var(--green-dark);
    color: #fff;
    border-color: var(--green-dark);
}
.btn-green:hover {
    background: var(--green);
}
.btn-gray {
    background: #f5f5f5;
    color: var(--text);
    border-color: var(--border);
}
.btn-gray:hover {
    background: #eee;
}
.btn-red {
    background: #c62828;
    color: #fff;
    border-color: #c62828;
}
.btn-red:hover {
    background: #d32f2f;
}
.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.actions { white-space: nowrap; }
.actions .btn { margin-right: 4px; }

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}


/* ===== Admin forms ===== */
.admin-form .form-group {
    margin-bottom: 16px;
}
.admin-form label {
    display: block;
    font-size: 14px;
    font-weight: bold;
    color: var(--text);
    margin-bottom: 4px;
}
.admin-form input[type="text"],
.admin-form input[type="number"],
.admin-form input[type="password"],
.admin-form input[type="email"],
.admin-form textarea,
.admin-form select {
    width: 100%;
    max-width: 500px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    font-size: 14px;
    font-family: inherit;
    background: #fff;
}
.admin-form textarea {
    min-height: 100px;
    resize: vertical;
}
.admin-form .form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}
.admin-form .current-image {
    margin: 8px 0;
}
.admin-form .current-image img {
    max-width: 200px;
    border: 1px solid var(--border);
}
.admin-form .form-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}


/* ===== Admin login ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}
.login-box {
    background: #fff;
    border: 1px solid var(--border);
    padding: 40px;
    width: 360px;
    text-align: center;
}
.login-box h1 {
    color: var(--green-dark);
    font-size: 22px;
    margin-bottom: 6px;
}
.login-box .subtitle {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 24px;
}
.login-box input[type="password"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    font-size: 15px;
    margin-bottom: 16px;
    font-family: inherit;
}
.login-box .btn {
    width: 100%;
}


/* ===== Responsive ===== */
@media (max-width: 768px) {
    .catalog-layout {
        flex-direction: column;
    }
    .catalog-sidebar {
        width: 100%;
    }
    .product-detail {
        flex-direction: column;
    }
    .product-detail-image {
        width: 100%;
    }
    .admin-layout {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
        display: flex;
        flex-wrap: wrap;
        padding: 8px;
    }
    .admin-sidebar a {
        border-left: none;
        padding: 8px 14px;
    }
    .admin-stats {
        flex-direction: column;
    }
    .nav-inner {
        flex-direction: column;
    }
    .nav-inner a {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.15);
    }
    .header-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}