:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #162033;
    --muted: #667085;
    --line: #d9e2ec;
    --primary: #1b68ff;
    --primary-dark: #134dbd;
    --danger: #d92d20;
    --success-bg: #ecfdf3;
    --success: #027a48;
    --error-bg: #fef3f2;
    --error: #b42318;
    --shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.page {
    width: min(1120px, 100%);
    margin: 0 auto;
    padding: 16px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0 12px;
}

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

.topbar h1 {
    margin-bottom: 0;
    font-size: clamp(24px, 5vw, 36px);
}

.topbar nav {
    display: flex;
    gap: 10px;
}

.topbar nav a,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
}

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

.btn.primary:hover {
    background: var(--primary-dark);
}

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

.btn.small {
    min-height: 36px;
    padding: 8px 12px;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 20px;
    margin: 16px 0;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.eyebrow {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 6px;
}

.muted,
small {
    color: var(--muted);
}

.form-section h3,
.admin-section h2 {
    margin-bottom: 14px;
}

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

.form-field,
.login-form label,
.field-grid label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-weight: 700;
}

.form-field label span {
    color: var(--danger);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 13px;
    min-height: 46px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
}

textarea {
    min-height: 92px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(27, 104, 255, 0.16);
    border-color: var(--primary);
}

.has-error input,
.has-error select,
.has-error textarea {
    border-color: var(--danger);
}

.field-error {
    color: var(--danger);
    font-size: 13px;
    margin: 0;
}

.notice {
    border-radius: 16px;
    padding: 14px 16px;
    margin: 14px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid var(--line);
}

.notice.success {
    background: var(--success-bg);
    border-color: #abefc6;
    color: var(--success);
}

.notice.error {
    background: var(--error-bg);
    border-color: #fecdca;
    color: var(--error);
}

.sticky-actions {
    position: sticky;
    bottom: 0;
    background: rgba(244, 247, 251, 0.95);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 0;
    z-index: 4;
}

.sticky-actions.inside {
    justify-content: flex-start;
}

.login-card {
    max-width: 480px;
    margin-inline: auto;
}

.login-form {
    display: grid;
    gap: 14px;
}

.admin-bar,
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
}

.admin-bar {
    background: #162033;
    color: #fff;
    padding: 14px 16px;
    border-radius: 16px;
}

.admin-bar span {
    display: block;
    color: #d0d5dd;
    font-size: 13px;
    margin-top: 4px;
}

.button-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.field-editor,
.submission-list {
    display: grid;
    gap: 12px;
}

.field-row,
.submission-card {
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
}

.field-row summary,
.submission-card summary {
    cursor: pointer;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-weight: 800;
    background: #f8fafc;
}

.field-row summary em,
.submission-card summary em {
    font-style: normal;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 16px;
}

.field-grid .check {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    font-weight: 700;
}

.field-grid .check input {
    width: auto;
    min-height: auto;
}

.submission-data {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
}

.submission-data div {
    background: #fff;
    padding: 12px;
}

.submission-data strong,
.submission-data span {
    display: block;
    word-break: break-word;
}

.submission-data strong {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 5px;
}

.submission-card form {
    padding: 12px;
}

.footer {
    color: var(--muted);
    text-align: center;
    padding: 28px 0 14px;
    font-size: 13px;
}

@media (max-width: 760px) {
    .page {
        padding: 12px;
    }

    .topbar,
    .admin-bar,
    .section-head,
    .hero {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar nav,
    .button-row,
    .sticky-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid,
    .field-grid,
    .submission-data {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 16px;
        border-radius: 16px;
    }
}