:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #e2e5ea;
    --color-text: #1f2430;
    --color-text-muted: #6b7280;
    --color-primary: #2b6cb0;
    --color-primary-dark: #2c5282;
    --color-danger: #c53030;
    --color-success: #2f855a;
    --sidebar-width: 220px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

h1:focus { outline: none; }

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

.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: #1a202c;
    color: #e2e8f0;
    padding: 1rem 0;
}

.app-sidebar-brand {
    font-weight: 700;
    font-size: 1.1rem;
    padding: 0 1.25rem 1rem;
    border-bottom: 1px solid #2d3748;
    margin-bottom: .5rem;
}

.app-nav { display: flex; flex-direction: column; }

.app-nav a {
    color: #cbd5e0;
    padding: .55rem 1.25rem;
    font-size: .92rem;
}

.app-nav a:hover { background: #2d3748; text-decoration: none; }
.app-nav a.active { background: var(--color-primary); color: #fff; }

.app-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.app-topbar-user { color: var(--color-text-muted); font-size: .9rem; }

.app-content { padding: 1.5rem; flex: 1; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.page-header h1 { font-size: 1.4rem; margin: 0; }

.btn {
    display: inline-block;
    padding: .5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: .9rem;
    cursor: pointer;
}

.btn:hover { background: #f0f1f3; text-decoration: none; }

.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #9b2c2c; }

.btn-sm { padding: .3rem .6rem; font-size: .8rem; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

table.data-table th, table.data-table td {
    padding: .65rem .9rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: .9rem;
}

table.data-table th {
    background: #fafbfc;
    font-weight: 600;
    color: var(--color-text-muted);
}

table.data-table tr:last-child td { border-bottom: none; }

.pagination { display: flex; align-items: center; gap: .5rem; margin-top: 1rem; }

.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .9rem; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: .55rem .7rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: .95rem;
}
.form-field textarea { resize: vertical; }

.form-row { display: flex; gap: 1rem; }
.form-row > .form-field { flex: 1; }

.badge {
    display: inline-block;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
}

.badge-neutral { background: #edf2f7; color: #4a5568; }
.badge-success { background: #e6fffa; color: var(--color-success); }
.badge-warning { background: #fffbea; color: #975a16; }
.badge-danger { background: #fde8e8; color: var(--color-danger); }

.empty-state { color: var(--color-text-muted); padding: 2rem; text-align: center; }

.alert { padding: .7rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: .9rem; }
.alert-danger { background: #fde8e8; color: var(--color-danger); }
.alert-success { background: #e6fffa; color: var(--color-success); }

.image-upload-preview {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    display: block;
    margin-bottom: .5rem;
    background: #f0f1f3;
}

.image-slot {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    margin-bottom: .5rem;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-card {
    background: var(--color-surface);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 420px;
    width: 100%;
}

.modal-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1.25rem; }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after { content: "An error has occurred."; }