:root {
    --ink: #17212f;
    --muted: #5a6675;
    --line: #d9e1e8;
    --panel: #ffffff;
    --soft: #f5f8fb;
    --blue: #1f5f8b;
    --blue-dark: #123d5f;
    --green: #1f7a54;
    --amber: #a35f00;
    --danger: #9d2d22;
    --shadow: 0 18px 45px rgba(23, 33, 47, 0.08);
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #eef3f7;
    color: var(--ink);
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-header {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    width: min(1220px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: end;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--blue-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 10px;
    font-size: clamp(2rem, 5vw, 4.8rem);
    line-height: 0.96;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 10px;
    font-size: 2rem;
    line-height: 1.1;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
    letter-spacing: 0;
}

.header-copy,
.step-heading p,
.submit-panel p,
.security-note span {
    color: var(--muted);
    line-height: 1.55;
}

.header-copy {
    margin-bottom: 0;
    max-width: 680px;
}

.header-status {
    min-width: 210px;
    padding: 14px;
    border: 1px solid var(--line);
    background: var(--soft);
    display: grid;
    gap: 4px;
    border-radius: 8px;
}

.header-status span {
    color: var(--muted);
    font-size: 0.84rem;
}

.header-status strong {
    font-size: 1.1rem;
}

.app-shell {
    width: min(1220px, calc(100% - 32px));
    margin: 28px auto 48px;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.progress-panel {
    position: sticky;
    top: 18px;
    display: grid;
    gap: 18px;
}

.progress-meter {
    height: 10px;
    overflow: hidden;
    background: #dce7ee;
    border-radius: 999px;
}

.progress-meter span {
    display: block;
    width: 0%;
    height: 100%;
    background: var(--green);
    transition: width 180ms ease;
}

.step-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.step-list button {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
    border-radius: 8px;
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 8px;
    align-items: center;
    text-align: left;
    padding: 9px 11px;
}

.step-list button span {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--soft);
    color: var(--muted);
    font-weight: 800;
    font-size: 0.82rem;
}

.step-list button.is-active {
    border-color: var(--blue);
    color: var(--blue-dark);
    box-shadow: 0 0 0 3px rgba(31, 95, 139, 0.1);
}

.step-list button.is-active span {
    background: var(--blue);
    color: #ffffff;
}

.step-list button.is-hidden {
    display: none;
}

.security-note {
    padding: 14px;
    background: #fff7ed;
    border: 1px solid #f2cc9b;
    border-radius: 8px;
    display: grid;
    gap: 5px;
}

.security-note strong {
    color: var(--amber);
}

.intake-form {
    min-width: 0;
}

.form-step {
    display: none;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.form-step.is-active {
    display: grid;
    gap: 22px;
}

.form-step.is-hidden-step {
    display: none;
}

.step-heading {
    display: grid;
    gap: 2px;
    max-width: 760px;
}

.step-heading p:last-child {
    margin-bottom: 0;
}

.field-grid {
    display: grid;
    gap: 16px;
}

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

.field {
    display: grid;
    gap: 7px;
    min-width: 0;
}

.field span,
.choice-block legend {
    font-weight: 800;
    color: #243447;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid #bfccd7;
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    padding: 10px 12px;
}

.field textarea {
    resize: vertical;
    line-height: 1.5;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.step-list button:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(31, 95, 139, 0.25);
    outline-offset: 2px;
    border-color: var(--blue);
}

.inline-other {
    margin-top: 14px;
}

.choice-block {
    margin: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--soft);
}

.choice-block legend {
    padding: 0 8px;
}

.choice-grid,
.segmented {
    display: grid;
    gap: 10px;
}

.choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.segmented {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.choice-grid label,
.segmented label {
    min-height: 44px;
    border: 1px solid #c5d2de;
    border-radius: 8px;
    background: #ffffff;
    padding: 10px 11px;
    display: flex;
    align-items: center;
    gap: 9px;
    line-height: 1.25;
}

.choice-grid input,
.segmented input {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
    accent-color: var(--blue);
}

.repeater {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.repeater-heading {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    background: #eaf2f7;
    border-bottom: 1px solid var(--line);
}

.repeater-heading h3 {
    margin: 0;
}

.repeater-rows {
    display: grid;
    gap: 14px;
    padding: 16px;
    background: #ffffff;
}

.repeat-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--soft);
    align-items: end;
}

.repeat-row .wide {
    grid-column: span 2;
}

.icon-button,
.row-remove,
.primary-button,
.secondary-button {
    min-height: 42px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 800;
    letter-spacing: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
}

.icon-button {
    width: 42px;
    padding: 0;
    background: var(--blue);
    color: #ffffff;
    font-size: 1.4rem;
}

.row-remove {
    align-self: stretch;
    color: var(--danger);
    background: #fff4f2;
    border-color: #e5b8b2;
}

.primary-button {
    background: var(--blue);
    color: #ffffff;
    border-color: var(--blue);
}

.secondary-button {
    background: #ffffff;
    color: var(--blue-dark);
    border-color: #bdd0df;
}

.primary-button:disabled,
.secondary-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.conditional-panel {
    display: none;
    gap: 18px;
    padding: 18px;
    border: 1px solid #c7d8e4;
    border-radius: 8px;
    background: #f8fbfd;
}

.conditional-panel.is-visible {
    display: grid;
}

.review-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#buildBrief {
    font-family: "Cascadia Mono", Consolas, "Liberation Mono", monospace;
    font-size: 0.92rem;
    line-height: 1.5;
    background: #f8fafc;
}

.submit-panel {
    border: 1px solid #b7d6c9;
    background: #f1fbf6;
    border-radius: 8px;
    padding: 18px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
}

.submit-panel h3,
.submit-panel p {
    margin-bottom: 0;
}

.submit-result {
    display: none;
    padding: 14px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--soft);
    line-height: 1.5;
}

.submit-result.is-visible {
    display: block;
}

.submit-result.is-success {
    border-color: #a4d1bd;
    background: #effaf5;
    color: #145239;
}

.submit-result.is-error {
    border-color: #e2b0a9;
    background: #fff3f1;
    color: var(--danger);
}

.form-nav {
    margin-top: 18px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.is-hidden {
    display: none !important;
}

@media (max-width: 980px) {
    .header-inner,
    .app-shell {
        width: min(100% - 24px, 760px);
    }

    .header-inner,
    .app-shell {
        grid-template-columns: 1fr;
    }

    .progress-panel {
        position: static;
    }

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

    .field-grid.two,
    .choice-grid,
    .feature-grid,
    .repeat-row {
        grid-template-columns: 1fr;
    }

    .repeat-row .wide {
        grid-column: auto;
    }
}

@media (max-width: 620px) {
    .header-inner {
        padding: 22px 0;
    }

    h1 {
        font-size: 2.6rem;
    }

    h2 {
        font-size: 1.55rem;
    }

    .form-step {
        padding: 18px;
    }

    .step-list {
        grid-template-columns: 1fr;
    }

    .submit-panel {
        display: grid;
    }
}