html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.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 #258cfb;
}

.content {
    padding: 4px;
}

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,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) 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;
}


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

:root {
    --bg: #f0f2f5;
    --surface: #ffffff;
    --border: #e2e6ea;
    --primary: #42282bcc;
    --primary-h: #42282bbb;
    --normal: #42282b88;
    --normal-h: #42282b77;
    --danger: #dc2626;
    --text: #1e293b;
    --text-muted: #64748b;
    --radius: 8px;
    --shadow: 0 1px 4px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.04);
    --header-h: 56px;
    --panel-gap: 4px;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
}

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

.app-header {
    height: var(--header-h);
    background: var(--primary);
    color: #fff;
    flex-shrink: 0;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 100%;
    padding: 0 20px;
}

.header-logo {
    font-size: 22px;
}

.header-title {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: .01em;
}

.app-main {
    flex: 1;
    overflow: hidden;
    padding: var(--panel-gap);
}


.workspace {
    display: grid;
    grid-template-columns: 455px 1fr 605px;
    gap: var(--panel-gap);
    height: 100%;
}


.form-panel,
.preview-panel {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px;
    border-bottom: 1px solid var(--border);
    background: #fafbfc;
    flex-shrink: 0;
}

    .panel-header h2 {
        margin:6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: .06em;
    }

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}


.form-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

    .form-section:last-of-type {
        border-bottom: none;
    }

    .form-section h3 {
        font-size: 12px;
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: .07em;
        margin-bottom: 12px;
    }

.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

    .field:last-child {
        margin-bottom: 0;
    }

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.field label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.field input,
.field textarea,
.field select {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
    width: 100%;
}

    .field input:focus,
    .field textarea:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    }

.field textarea {
    min-height: 150px;
}


.form-actions {
    padding-top: 4px;
}


.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, opacity .15s, transform .1s;
}

    .btn:active {
        transform: scale(.98);
    }

    .btn:disabled {
        opacity: .45;
        cursor: not-allowed;
        transform: none;
    }

.btn-primary {
    background: var(--primary);
    color: #fff;
    justify-content: center;
}

    .btn-primary:hover:not(:disabled) {
        background: var(--primary-h);
    }

.btn-normal {
    background: var(--normal);
    color: #fff !important;
    justify-content: center;
}

    .btn-normal:hover:not(:disabled) {
        background: var(--normal-h);
    }

.btn-export {
    background: #f1f5f9;
    color: var(--text);
    border: 1px solid var(--border);
}

    .btn-export:hover:not(:disabled) {
        background: #e2e8f0;
    }

.btn-pdf {
    color: var(--danger);
}

.export-buttons {
    display: flex;
    gap: 8px;
}

.preview-body {
    padding: 0;
    display: flex;
    flex-direction: column;
}

.doc-preview {
    flex: 1;
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
}

.preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    gap: 12px;
    height: 100%;
    color: var(--text-muted);
    padding: 100px;
    text-align: center;
}

.empty-icon {
    font-size: 48px;
    opacity: .3;
}

.hint {
    font-size: 12px;
}

.warn {
    color: #b45309;
    background: #fef3c7;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #fcd34d;
}

code {
    background: #f1f5f9;
    padding: 1px 5px;
    border-radius: 4px;
    font-family: 'Cascadia Code', monospace;
    font-size: 11px;
}


.error-banner {
    margin: 16px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    color: var(--danger);
    font-size: 13px;
}


.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    flex-shrink: 0;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-scroll {
    overflow-x: scroll;
    height: calc(100vh - 168px);
}

.login-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 99vh;
    background: #f4f6f8;
}

.login-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    min-width: 280px;
    margin-bottom: 100px;
}

.login-box h2 {
    margin: 0 0 0.5rem;
    font-size: 1.3rem;
    color: #333;
}

.login-box input[type="password"] {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
}

.login-box input[type="password"]:focus {
    border-color: #1b6ec2;
    box-shadow: 0 0 0 2px rgba(27,110,194,0.15);
}

.login-box .btn {
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
}

.login-error {
    color: #c0392b;
    font-size: 0.875rem;
    margin: 0;
}