:root {
    --mint: #3bbd8f;
    --mint-dark: #2c9e77;
    --mint-light: #e6f7f0;
    --grey-900: #23272b;
    --grey-800: #2f343a;
    --grey-700: #3d434b;
    --grey-100: #f2f4f5;
    --grey-50: #fafbfc;
    --ink: #1c2024;
    --text-muted: #5c6670;
    --border: #dde3e8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
    --radius: 12px;
}

html, body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--grey-100);
    color: var(--ink);
}

::selection {
    background-color: var(--mint-light);
    color: var(--mint-dark);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #c4cdd4;
    border-radius: 6px;
    border: 2px solid var(--grey-100);
}

    ::-webkit-scrollbar-thumb:hover {
        background: #a9b4bd;
    }

a, .btn-link {
    color: var(--mint-dark);
}

.btn {
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    color: #fff;
    background-color: var(--mint);
    border-color: var(--mint);
    box-shadow: 0 1px 2px rgba(44, 158, 119, 0.25);
}

    .btn-primary:hover,
    .btn-primary:focus {
        background-color: var(--mint-dark);
        border-color: var(--mint-dark);
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(44, 158, 119, 0.3);
    }

.btn-success {
    background-color: var(--mint-dark);
    border-color: var(--mint-dark);
    box-shadow: 0 1px 2px rgba(44, 158, 119, 0.25);
}

    .btn-success:hover,
    .btn-success:focus {
        background-color: #268a68;
        border-color: #268a68;
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(44, 158, 119, 0.3);
    }

.btn-outline-primary {
    color: var(--mint-dark);
    border-color: var(--mint-dark);
}

    .btn-outline-primary:hover {
        background-color: var(--mint);
        border-color: var(--mint);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 4px 10px rgba(44, 158, 119, 0.2);
    }

.card {
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

    .card:hover {
        box-shadow: var(--shadow-md);
    }

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--mint-light);
}

.content {
    padding-top: 1.1rem;
    animation: page-fade 0.25s ease both;
}

@keyframes page-fade {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-wrap {
    display: flex;
    justify-content: center;
    padding: 2.5rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.25rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--ink);
    margin-bottom: 1.5rem;
}

.auth-brand .brand-logo {
    width: 20px;
    height: 20px;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.25rem;
}

.auth-sub {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.auth-links {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.9rem;
}

    .auth-links p {
        margin-bottom: 0.35rem;
    }

.password-requirements {
    margin: 0.5rem 0 0;
    padding-left: 1.1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

    .password-requirements li {
        margin-bottom: 0.1rem;
    }

.preview-table thead th {
    background-color: var(--mint-light);
    color: var(--mint-dark);
    font-weight: 600;
    border-bottom: 2px solid var(--mint);
}

.preview-table tbody tr:hover {
    background-color: #f4faf7;
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, #e8edf0 25%, #f5f7f9 37%, #e8edf0 63%);
    background-size: 400% 100%;
    animation: skeleton-shimmer 1.4s ease infinite;
    border-radius: 6px;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

/* Drag-drop indicator */
.drop-indicator {
    height: 2px;
    background: var(--mint);
    border-radius: 2px;
    box-shadow: 0 0 6px rgba(59, 189, 143, 0.6);
}

#columnList [data-column-key].dragging,
#sectionList [data-column-key].dragging {
    opacity: 0.55;
    outline: 2px solid var(--mint);
    outline-offset: -2px;
    box-shadow: var(--shadow-md);
    background: #fff;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
}

    .empty-state .icon {
        font-size: 2.2rem;
        display: block;
        margin-bottom: 0.6rem;
        color: #c4cdd4;
    }

    .empty-state .title {
        font-weight: 600;
        color: var(--ink);
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.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."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}