:root {
    --bg: #eef4f6;
    --surface: #ffffff;
    --surface-2: #f8fbfc;
    --ink: #12333f;
    --muted: #4f6f7b;
    --line: #d5e5ea;
    --accent: #007a86;
    --accent-dark: #005962;
    --warm: #ff884d;
    --shadow: 0 14px 36px rgba(18, 51, 63, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: "Segoe UI", Tahoma, sans-serif;
    background:
        radial-gradient(circle at 15% 20%, rgba(0, 122, 134, 0.08), transparent 30%),
        radial-gradient(circle at 85% 12%, rgba(255, 136, 77, 0.12), transparent 28%),
        linear-gradient(180deg, #f7fcfd 0%, #edf3f5 100%);
}

.container {
    width: min(1180px, 94%);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
}

.brand {
    color: var(--accent-dark);
    text-decoration: none;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 0.4px;
}

.nav {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--ink);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 999px;
    transition: 0.2s ease;
}

.nav a:hover {
    background: #eaf5f8;
    color: var(--accent-dark);
}

.muted {
    color: var(--muted);
    font-size: 0.92rem;
}

h1,
h2,
h3 {
    margin-top: 0;
}

main.container {
    padding-bottom: 30px;
}

.card {
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.hero {
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 122, 134, 0.18), transparent 70%);
    pointer-events: none;
}

.toolbar {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 12px;
    align-items: end;
}

.toolbar-action {
    align-self: end;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
    font-weight: 700;
    display: block;
    margin-bottom: 7px;
}

input,
textarea,
select,
button {
    width: 100%;
    border: 1px solid #bdd4dc;
    border-radius: 12px;
    padding: 11px 12px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 134, 0.15);
}

button,
.btn {
    width: auto;
    border: none;
    cursor: pointer;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    text-decoration: none;
    padding: 11px 16px;
    font-weight: 700;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

button:hover,
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(0, 89, 98, 0.28);
}

.btn.secondary,
button.secondary {
    background: linear-gradient(135deg, var(--warm) 0%, #de5b20 100%);
}

.top-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.top-item {
    display: flex;
    gap: 10px;
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
}

.product-image {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line);
    cursor: zoom-in;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.product-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    display: grid;
    grid-template-columns: 200px 1fr;
    min-height: 210px;
}

.card-image {
    width: 100%;
    height: 100%;
    min-height: 210px;
    object-fit: cover;
    cursor: zoom-in;
}

.product-body {
    padding: 14px;
    display: grid;
    gap: 12px;
}

.product-head {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
}

.badge {
    background: #e3f1f5;
    color: #0c5b69;
    border-radius: 999px;
    padding: 5px 11px;
    font-size: 0.8rem;
    font-weight: 700;
}

.meta-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.93rem;
}

.price-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.price-row > div {
    border: 1px solid #cde0e6;
    border-radius: 10px;
    background: #f6fbfc;
    padding: 9px;
    font-size: 0.92rem;
}

.cert-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.cert-list a {
    color: var(--accent-dark);
    text-decoration: none;
    background: #e9f5f8;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.85rem;
}

.action-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.action-row form {
    margin: 0;
}

.certificate-box {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.certificate-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    padding: 8px 10px;
    border-radius: 10px;
    background: #f5fafb;
}

.certificate-item label {
    margin: 0;
    font-weight: 500;
}

.inline-check {
    width: auto;
    margin-right: 8px;
}

.message {
    margin: 14px 0;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
}

.message.error {
    background: #ffe7e7;
    color: #7f1d1d;
    border: 1px solid #f5b9b9;
}

.message.success {
    background: #e6f6ea;
    color: #115b31;
    border: 1px solid #b4e3c1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    background: linear-gradient(135deg, #0f7d88 0%, #054d56 100%);
    color: #fff;
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow);
}

.stat-label {
    display: block;
    font-size: 0.92rem;
    opacity: 0.86;
}

.stat-value {
    display: block;
    margin-top: 8px;
    font-size: 2rem;
    line-height: 1;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.detail-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
}

.detail-card p {
    margin: 8px 0 0;
}

.admin-firm-list {
    display: grid;
    gap: 16px;
}

.admin-firm-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    padding: 18px;
}

.admin-firm-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.admin-firm-head h3 {
    margin-bottom: 6px;
}

.admin-firm-head-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
}

.admin-status-form {
    display: grid;
    grid-template-columns: minmax(180px, 260px) auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 14px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.82rem;
    font-weight: 700;
}

.status-badge.ok {
    background: #e3f7ea;
    color: #156a38;
}

.status-badge.warn {
    background: #fff2da;
    color: #965b00;
}

.status-badge.danger {
    background: #ffe1e1;
    color: #9b2222;
}

.admin-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.admin-mini-grid > div {
    border: 1px solid #cde0e6;
    background: #f7fbfc;
    border-radius: 12px;
    padding: 12px;
    display: grid;
    gap: 6px;
}

.admin-mini-grid span {
    font-size: 1.2rem;
    font-weight: 800;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.chart-card-wide {
    grid-column: 1 / -1;
}

.chart-list {
    display: grid;
    gap: 12px;
}

.chart-row {
    display: grid;
    grid-template-columns: 120px 1fr 56px;
    gap: 10px;
    align-items: center;
}

.chart-row.multi-line {
    grid-template-columns: 180px 1fr 56px 90px;
}

.chart-label,
.chart-value,
.chart-note {
    font-size: 0.9rem;
}

.chart-bar-wrap {
    height: 12px;
    border-radius: 999px;
    background: #e6eff2;
    overflow: hidden;
}

.chart-bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #18a0af 0%, #005962 100%);
}

.chart-bar.warm {
    background: linear-gradient(90deg, #ffb072 0%, #de5b20 100%);
}

.chart-bar.dark {
    background: linear-gradient(90deg, #355c7d 0%, #20384d 100%);
}

.admin-product-list {
    display: grid;
    gap: 12px;
}

.admin-product-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    background: #fff;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(6, 22, 26, 0.78);
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 50;
}

.modal.open {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-content-wrap {
    width: min(920px, 100%);
}

.modal-image {
    width: 100%;
    max-height: 86vh;
    object-fit: contain;
    background: #fff;
    border-radius: 12px;
}

.modal-close {
    margin-bottom: 8px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 1050px) {
    .toolbar {
        grid-template-columns: 1fr 1fr;
    }

    .toolbar-action {
        grid-column: 1 / -1;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 860px) {
    .grid.cols-2,
    .top-grid,
    .price-row,
    .detail-grid,
    .admin-mini-grid {
        grid-template-columns: 1fr;
    }

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

    .card-image {
        min-height: 220px;
        max-height: 240px;
    }

    .nav-wrap {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-firm-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .admin-firm-head-right,
    .admin-status-form,
    .admin-product-item,
    .chart-row,
    .chart-row.multi-line {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .toolbar {
        grid-template-columns: 1fr;
    }

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

    .card {
        padding: 16px;
    }

    .brand {
        font-size: 1.25rem;
    }

    .admin-status-form label,
    form[method="get"] label {
        display: block;
        margin-bottom: 8px;
    }
}

/* Form styling enhancements */
input[type="text"],
input[type="date"],
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: var(--surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="date"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 134, 0.1);
}

form[method="get"] {
    display: contents;
}