:root {

    --bg: #eef2f7;

    --panel: #ffffff;

    --panel-soft: #f8fafc;

    --border: #dbe3ee;

    --text: #1f2937;

    --muted: #6b7280;

    --primary: #2563eb;

    --primary-dark: #1d4ed8;

    --success-bg: #dcfce7;

    --success-text: #166534;

    --danger-bg: #fee2e2;

    --danger-text: #991b1b;

    --warning-bg: #fef3c7;

    --warning-text: #92400e;

    --sidebar-top: #0f172a;

    --sidebar-bottom: #1e293b;

    --sidebar-link: #e5e7eb;

    --sidebar-link-hover: rgba(255,255,255,0.08);

    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);

    --radius: 14px;

}



* {

    box-sizing: border-box;

}



html, body {

    height: 100%;

}



body {

    font-family: Arial, sans-serif;

    margin: 0;

    background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);

    color: var(--text);

}



.layout {

    display: flex;

    min-height: 100vh;

}



.sidebar {

    width: 250px;

    background: linear-gradient(180deg, var(--sidebar-top) 0%, var(--sidebar-bottom) 100%);

    color: #fff;

    padding: 18px 16px;

    box-shadow: inset -1px 0 0 rgba(255,255,255,0.04);

    position: sticky;

    top: 0;

    height: 100vh;

    overflow-y: auto;

}



.sidebar h2 {

    margin: 0 0 18px;

    font-size: 19px;

    line-height: 1.2;

    letter-spacing: 0.2px;

}



.sidebar ul {

    list-style: none;

    padding: 0;

    margin: 0;

    display: flex;

    flex-direction: column;

    gap: 6px;

}



.sidebar li {

    margin: 0;

}



.sidebar a {

    display: block;

    color: var(--sidebar-link);

    text-decoration: none;

    padding: 10px 12px;

    border-radius: 10px;

    transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;

    font-size: 15px;

    line-height: 1.25;

}



.sidebar a:hover {

    background: var(--sidebar-link-hover);

    color: #fff;

    transform: translateX(2px);

}



.content {

    flex: 1;

    padding: 28px;

    background: transparent;

    min-width: 0;

}



h1 {

    margin-top: 0;

    margin-bottom: 20px;

    font-size: 30px;

}



h3 {

    margin-top: 0;

}



.cards {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));

    gap: 18px;

}



.card {

    background: var(--panel);

    border: 1px solid var(--border);

    padding: 22px;

    border-radius: var(--radius);

    min-width: 0;

    box-shadow: var(--shadow);

}



.card p {

    margin: 8px 0 0;

    font-size: 28px;

    font-weight: bold;

}



.page-head {

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 16px;

    margin-bottom: 16px;

}



.page-head h1 {

    margin-bottom: 0;

}



table {

    width: 100%;

    border-collapse: collapse;

    margin-top: 20px;

    background: var(--panel);

    border-radius: var(--radius);

    overflow: hidden;

    box-shadow: var(--shadow);

    border: 1px solid var(--border);

}



th, td {

    border-bottom: 1px solid #e5e7eb;

    padding: 12px 14px;

    text-align: left;

    vertical-align: top;

}



th {

    background: #f8fafc;

    font-size: 13px;

    text-transform: uppercase;

    letter-spacing: 0.03em;

    color: var(--muted);

}



tr:hover td {

    background: #fbfdff;

}



.form-grid {

    display: grid;

    grid-template-columns: 180px minmax(280px, 1fr);

    gap: 12px 16px;

    max-width: 980px;

    background: var(--panel);

    padding: 24px;

    border-radius: var(--radius);

    border: 1px solid var(--border);

    box-shadow: var(--shadow);

}



.form-grid label {

    font-weight: bold;

    align-self: center;

}



.inline-form {

    display: flex;

    gap: 10px;

    flex-wrap: wrap;

    margin-bottom: 20px;

    background: var(--panel);

    padding: 18px;

    border: 1px solid var(--border);

    border-radius: var(--radius);

    box-shadow: var(--shadow);

}



input, select, textarea, button {

    padding: 11px 12px;

    font-size: 14px;

    border-radius: 10px;

    border: 1px solid #cfd8e3;

    font-family: inherit;

}



input:focus, select:focus, textarea:focus {

    outline: none;

    border-color: #93c5fd;

    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);

}



textarea {

    min-height: 110px;

    resize: vertical;

}



.button, button {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);

    color: white;

    border: none;

    text-decoration: none;

    cursor: pointer;

    border-radius: 10px;

    padding: 11px 16px;

    font-weight: bold;

    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);

}



.button:hover, button:hover {

    filter: brightness(1.03);

}



.alert {

    background: var(--danger-bg);

    color: var(--danger-text);

    padding: 12px 14px;

    margin-bottom: 15px;

    border-radius: 10px;

    border: 1px solid #fecaca;

}



.notice {

    background: var(--warning-bg);

    color: var(--warning-text);

    padding: 12px 14px;

    margin-bottom: 15px;

    border-radius: 10px;

    border: 1px solid #fde68a;

}



.success {

    background: var(--success-bg);

    color: var(--success-text);

    padding: 12px 14px;

    margin-bottom: 15px;

    border-radius: 10px;

    border: 1px solid #86efac;

}



.login-box {

    width: 390px;

    margin: 90px auto;

    background: var(--panel);

    padding: 30px;

    border-radius: 18px;

    box-shadow: var(--shadow);

    border: 1px solid var(--border);

}



.login-box h1 {

    text-align: center;

    margin-bottom: 22px;

}



.login-box form {

    display: grid;

    gap: 12px;

}



a {

    color: var(--primary);

}



.small {

    color: var(--muted);

    font-size: 13px;

}



.badge {

    display: inline-block;

    padding: 4px 9px;

    border-radius: 999px;

    background: #dbeafe;

    color: #1d4ed8;

    font-size: 12px;

    font-weight: bold;

}



.row-danger td {

    background: #fff7f7;

}



.row-warning td {

    background: #fffdf3;

}



.actions {

    display: flex;

    gap: 8px;

    flex-wrap: wrap;

}



.button-danger {

    background: linear-gradient(180deg, #dc2626 0%, #b91c1c 100%);

    box-shadow: 0 8px 18px rgba(220, 38, 38, 0.22);

}



@media (max-width: 980px) {

    .layout {

        flex-direction: column;

    }



    .sidebar {

        width: 100%;

        height: auto;

        position: static;

        padding: 14px;

    }



    .sidebar ul {

        gap: 4px;

    }



    .form-grid {

        grid-template-columns: 1fr;

    }



    .page-head {

        flex-direction: column;

        align-items: flex-start;

    }



    .cards {

        grid-template-columns: 1fr;

    }

}



.badge-success {

    background: #dcfce7;

    color: #166534;

}



.badge-danger {

    background: #fee2e2;

    color: #991b1b;

}



.badge-warning {

    background: #fef3c7;

    color: #92400e;

}



.button-excel {

    background: linear-gradient(180deg, #16a34a 0%, #15803d 100%);

    box-shadow: 0 8px 18px rgba(22, 163, 74, 0.25);

}



.button-excel:hover {

    filter: brightness(1.05);

}



.sort-link {

    color: inherit;

    text-decoration: none;

    font-weight: bold;

}



.sort-link:hover {

    text-decoration: underline;

}



.sort-link.active {

    color: #1d4ed8;

}



.form-actions {

    display: flex;

    justify-content: space-between;

    margin-top: 20px;

}



.button-danger {

    background-color: #dc2626;

    color: #fff;

}



.button-danger:hover {

    background-color: #b91c1c;

}



.sort-link {

    color: inherit;

    text-decoration: none;

    font-weight: bold;

}



.sort-link:hover {

    text-decoration: underline;

}



.sort-link.active {

    color: #1d4ed8;

}



.button-icon {

    min-width: 36px;

    width: 36px;

    height: 36px;

    padding: 0;

    border-radius: 999px;

    font-weight: bold;

    font-size: 16px;

    line-height: 36px;

    text-align: center;

}



.detail-layout {

    display: grid;

    grid-template-columns: 2fr 1fr;

    gap: 24px;

}



.detail-card {

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    box-shadow: var(--shadow);

    padding: 24px;

}



.detail-grid {

    display: grid;

    grid-template-columns: 180px 1fr;

    gap: 12px 16px;

}



.detail-label {

    font-weight: bold;

    color: var(--muted);

}



.detail-photo-wrap {

    display: flex;

    align-items: center;

    justify-content: center;

    min-height: 240px;

    background: #f8fafc;

    border: 1px dashed var(--border);

    border-radius: 12px;

}



.detail-photo {

    max-width: 100%;

    max-height: 320px;

    border-radius: 10px;

}



@media (max-width: 980px) {

    .detail-layout {

        grid-template-columns: 1fr;

    }



    .detail-grid {

        grid-template-columns: 1fr;

    }

}



.drop-area {

    border: 2px dashed #94a3b8;

    border-radius: 10px;

    padding: 20px;

    text-align: center;

    cursor: pointer;

    background: #f8fafc;

}



.drop-area.dragover {

    background: #e0f2fe;

    border-color: #0284c7;

}



.drop-area input {

    display: none;

}



.badge-tech {

    background: #e2e8f0;

    color: #0f172a;

    font-family: monospace;

    letter-spacing: 0.02em;

}



.section-row td {

    background: #eaf2ff !important;

    color: #1d4ed8;

    font-size: 13px;

    text-transform: uppercase;

    letter-spacing: 0.04em;

    border-top: 2px solid #c7dbff;

}



.ral-grid {

    display: grid;

    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));

    gap: 20px;

}



.ral-card {

    display: block;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    overflow: hidden;

    box-shadow: var(--shadow);

    text-decoration: none;

    color: inherit;

    transition: transform 0.15s ease, box-shadow 0.15s ease;

}



.ral-card:hover {

    transform: translateY(-2px);

    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);

}



.ral-swatch {

    height: 120px;

    border-bottom: 1px solid var(--border);

}



.ral-body {

    padding: 16px;

}



.ral-code {

    font-size: 18px;

    font-weight: bold;

    margin-bottom: 8px;

}



.ral-name {

    font-size: 14px;

    line-height: 1.4;

    margin-bottom: 10px;

    min-height: 40px;

}



.ral-meta {

    font-size: 13px;

    color: var(--muted);

    margin-top: 4px;

}



.card-head {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 10px;

}



.toggle-visibility {

    border: 0;

    background: transparent;

    cursor: pointer;

    font-size: 18px;

    line-height: 1;

    padding: 0;

}



.dashboard-collapse {

    margin-top: 30px;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    box-shadow: var(--shadow);

    padding: 14px 18px;

}



.dashboard-collapse summary {

    cursor: pointer;

    font-weight: 700;

    list-style: none;

}



.dashboard-collapse summary::-webkit-details-marker {

    display: none;

}



.dashboard-collapse[open] summary {

    margin-bottom: 14px;

}



.cards {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));

    gap: 16px;

}



.card {

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: 14px;

    padding: 16px;

    display: flex;

    flex-direction: column;

    gap: 10px;

}



.card-warning {

    border-left: 4px solid #f59e0b;

}



.card-danger {

    border-left: 4px solid #ef4444;

}



.card-icon {

    font-size: 20px;

}



.card-value {

    font-size: 26px;

    font-weight: 700;

}



.card-label {

    font-size: 13px;

    color: #888;

}



.card-head {

    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 10px;

}



.toggle-visibility {

    border: 0;

    background: transparent;

    cursor: pointer;

    font-size: 18px;

    line-height: 1;

    padding: 0;

}



.dashboard-grid {

    display: grid;

    grid-template-columns: 2fr 1fr;

    gap: 20px;

    margin-top: 25px;

}



.dashboard-block {

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: 14px;

    padding: 16px;

}



.dashboard-collapse {

    margin-top: 30px;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: 14px;

    box-shadow: var(--shadow);

    padding: 14px 18px;

}



.dashboard-collapse summary {

    cursor: pointer;

    font-weight: 700;

    list-style: none;

}



.dashboard-collapse summary::-webkit-details-marker {

    display: none;

}



.dashboard-collapse[open] summary {

    margin-bottom: 14px;

}



@media (max-width: 980px) {

    .dashboard-grid {

        grid-template-columns: 1fr;

    }

}