:root {
    --page-bg: #f4f6f8;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #102036;
    --muted: #667085;
    --border: #d9e0e8;
    --primary: #284baa;
    --primary-dark: #1f3a82;
    --accent: #7faf0d;
    --success-bg: #eef8e4;
    --success-border: #b8d88b;
    --success-text: #385c00;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(16, 32, 54, 0.06);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--page-bg);
}

body {
    margin: 0;
    color: var(--text);
    background: var(--page-bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}

.page-shell {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0 64px;
}

.hero {
    margin-bottom: 28px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2 {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

h2 {
    margin-bottom: 5px;
    font-size: 1.35rem;
}

.lead,
.section-head p {
    color: var(--muted);
}

.lead {
    max-width: 830px;
    margin: 0;
    font-size: 1.05rem;
}

.notice {
    margin-bottom: 22px;
    padding: 14px 16px;
    border: 1px solid;
    border-radius: var(--radius);
}

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

.generator-form {
    display: grid;
    gap: 20px;
}

.card {
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.section-head {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.section-head p {
    margin: 0;
}

.step {
    display: inline-flex;
    min-width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--primary);
    border-radius: 10px;
    font-weight: 800;
}

.grid {
    display: grid;
    gap: 18px;
}

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

.span-2 {
    grid-column: 1 / -1;
}

label {
    display: grid;
    gap: 7px;
    margin-bottom: 18px;
}

label > span,
legend {
    font-weight: 700;
    font-size: 0.94rem;
}

input[type="text"],
input[type="url"],
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface-soft);
    color: var(--text);
    padding: 12px 13px;
    font: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea {
    resize: vertical;
    min-height: 112px;
}

input:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40, 75, 170, 0.12);
    background: #fff;
}

fieldset {
    margin: 4px 0 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
}

legend {
    padding: 0 8px;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 8px 0 18px;
}

.check {
    display: flex;
    gap: 9px;
    align-items: center;
    margin: 0;
    padding: 10px 11px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-soft);
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding-top: 6px;
}

.button {
    border: 0;
    border-radius: 9px;
    padding: 12px 20px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

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

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

.button.secondary {
    color: var(--text);
    background: #e8edf3;
}

@media (max-width: 850px) {
    .grid-2,
    .check-grid {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: auto;
    }
}

@media (max-width: 560px) {
    .page-shell {
        width: min(100% - 20px, 1200px);
        padding-top: 24px;
    }

    .card {
        padding: 18px;
    }

    .section-head {
        align-items: center;
    }

    .form-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }
}


.button.test {
    color: var(--primary);
    background: #eef2ff;
    border: 1px solid #cbd5f3;
}

.button.test:hover {
    background: #e2e8ff;
}

.button:disabled {
    opacity: 0.65;
    cursor: wait;
}

.testdata-status {
    min-height: 24px;
    margin: 8px 0 0;
    text-align: center;
    color: var(--muted);
    font-size: 0.92rem;
}

.testdata-status.error {
    color: #b42318;
}


.url-analyze-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: stretch;
}

.button.analyze {
    color: #fff;
    background: var(--accent);
    white-space: nowrap;
}

.button.analyze:hover {
    filter: brightness(0.92);
}

.field-help {
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.4;
}

.analysis-status {
    display: none;
    margin: 0 0 20px;
    padding: 13px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--muted);
}

.analysis-status:not(:empty) {
    display: block;
}

.analysis-status.loading {
    border-color: #c7d2fe;
    background: #f5f7ff;
    color: var(--primary);
}

.analysis-status.success {
    border-color: var(--success-border);
    background: var(--success-bg);
    color: var(--success-text);
}

.analysis-status.error {
    border-color: #f0b4ae;
    background: #fff1f0;
    color: #b42318;
}

@media (max-width: 700px) {
    .url-analyze-row {
        grid-template-columns: 1fr;
    }

    .button.analyze {
        width: 100%;
    }
}