.sas-form-shell {
    --sas-bg: #f5f7fb;
    --sas-card: #ffffff;
    --sas-text: #172033;
    --sas-muted: #687086;
    --sas-border: #e6e9f2;
    --sas-primary: #1d4ed8;
    --sas-primary-dark: #153eaa;
    --sas-soft: #eef4ff;
    --sas-danger: #b42318;
    --sas-success: #087443;
    max-width: 980px;
    margin: 28px auto;
    padding: 16px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--sas-text);
}

.sas-form-card {
    background: var(--sas-card);
    border: 1px solid var(--sas-border);
    border-radius: 28px;
    box-shadow: 0 24px 80px rgba(23, 32, 51, 0.12);
    overflow: hidden;
}

.sas-form-hero {
    padding: 38px 34px 30px;
    color: #fff;
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.22), transparent 28%),
        linear-gradient(135deg, #111827 0%, #1d4ed8 60%, #0f172a 100%);
}

.sas-eyebrow {
    display: inline-flex;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.14);
    color: #dbeafe;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.sas-form-hero h2 {
    margin: 0 0 10px;
    color: #fff;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05;
    font-weight: 900;
}

.sas-form-hero p {
    margin: 0;
    max-width: 660px;
    color: #dbeafe;
    font-size: 16px;
}

.sas-application-form {
    padding: 30px;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.sas-section {
    background: #fff;
    border: 1px solid var(--sas-border);
    border-radius: 22px;
    padding: 24px;
    margin-bottom: 20px;
}

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

.sas-section-title > span {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: var(--sas-soft);
    color: var(--sas-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.sas-section-title h3 {
    margin: 0 0 4px;
    color: var(--sas-text);
    font-size: 21px;
    font-weight: 900;
}

.sas-section-title p {
    margin: 0;
    color: var(--sas-muted);
    font-size: 14px;
}

.sas-fieldset {
    border: 0;
    padding: 0;
    margin: 0 0 22px;
}

.sas-fieldset:last-child {
    margin-bottom: 0;
}

.sas-fieldset legend,
.sas-field label {
    display: block;
    margin-bottom: 10px;
    color: var(--sas-text);
    font-size: 15px;
    font-weight: 800;
}

.sas-fieldset legend span {
    color: var(--sas-danger);
}

.sas-choice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}

.sas-choice {
    position: relative;
    display: block;
}

.sas-choice input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.sas-choice span {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 12px 14px;
    border: 1px solid var(--sas-border);
    border-radius: 15px;
    background: #fff;
    color: var(--sas-text);
    font-weight: 700;
    cursor: pointer;
    transition: all .18s ease;
}

.sas-choice span:before {
    content: "";
    width: 16px;
    height: 16px;
    margin-right: 9px;
    border: 2px solid #c5cada;
    border-radius: 50%;
    box-sizing: border-box;
    transition: all .18s ease;
}

.sas-choice input:checked + span {
    border-color: var(--sas-primary);
    background: var(--sas-soft);
    color: #0f2f83;
    box-shadow: 0 8px 22px rgba(29, 78, 216, .12);
}

.sas-choice input:checked + span:before {
    border: 5px solid var(--sas-primary);
}

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

.sas-field input,
.sas-field select,
.sas-job-box input {
    width: 100%;
    box-sizing: border-box;
    min-height: 48px;
    border: 1px solid var(--sas-border);
    border-radius: 14px;
    padding: 0 14px;
    font-size: 15px;
    color: var(--sas-text);
    background: #fff;
    outline: none;
    transition: all .18s ease;
}

.sas-field input:focus,
.sas-field select:focus,
.sas-job-box input:focus {
    border-color: var(--sas-primary);
    box-shadow: 0 0 0 4px rgba(29, 78, 216, .12);
}

.sas-input-prefix {
    display: flex;
    align-items: center;
    border: 1px solid var(--sas-border);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
}

.sas-input-prefix:focus-within {
    border-color: var(--sas-primary);
    box-shadow: 0 0 0 4px rgba(29, 78, 216, .12);
}

.sas-input-prefix span {
    align-self: stretch;
    display: inline-flex;
    align-items: center;
    padding: 0 15px;
    background: #f3f6fb;
    border-right: 1px solid var(--sas-border);
    font-weight: 900;
    color: var(--sas-muted);
}

.sas-input-prefix input {
    border: 0;
    box-shadow: none !important;
}

.sas-previous-jobs {
    display: none;
    margin-top: 14px;
}

.sas-previous-jobs.is-visible {
    display: block;
}

.sas-optional-note {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    font-weight: 700;
}

.sas-job-box {
    padding: 16px;
    border: 1px dashed #cbd5e1;
    border-radius: 18px;
    background: #f8fafc;
    margin-bottom: 14px;
}

.sas-job-box h4 {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 900;
    color: var(--sas-text);
}

.sas-job-box label span {
    display: block;
    margin-bottom: 7px;
    color: var(--sas-muted);
    font-size: 13px;
    font-weight: 800;
}

.sas-form-alert {
    display: none;
    margin: 0 0 16px;
    padding: 13px 15px;
    border-radius: 14px;
    font-weight: 800;
}

.sas-form-alert.is-error {
    display: block;
    background: #fef3f2;
    border: 1px solid #fecdca;
    color: var(--sas-danger);
}

.sas-submit-btn {
    width: 100%;
    min-height: 56px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--sas-primary), var(--sas-primary-dark));
    color: #fff;
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 16px 34px rgba(29, 78, 216, .28);
    transition: transform .18s ease, box-shadow .18s ease;
}

.sas-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 42px rgba(29, 78, 216, .34);
}

.sas-submit-btn:disabled {
    opacity: .68;
    cursor: not-allowed;
    transform: none;
}

.sas-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, .62);
    backdrop-filter: blur(6px);
}

.sas-modal.is-open {
    display: flex;
}

.sas-modal-card {
    width: min(430px, 100%);
    padding: 30px;
    border-radius: 26px;
    background: #fff;
    text-align: center;
    box-shadow: 0 30px 90px rgba(0,0,0,.28);
}

.sas-success-icon {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #dcfce7;
    color: var(--sas-success);
    font-size: 34px;
    font-weight: 900;
}

.sas-modal-card h3 {
    margin: 0 0 8px;
    font-size: 26px;
    color: var(--sas-text);
}

.sas-modal-card p {
    margin: 0 0 22px;
    color: var(--sas-muted);
    line-height: 1.6;
}

.sas-close-modal {
    border: 0;
    border-radius: 14px;
    padding: 13px 26px;
    background: var(--sas-primary);
    color: #fff;
    font-weight: 900;
    cursor: pointer;
}

@media (max-width: 720px) {
    .sas-form-shell {
        padding: 8px;
    }
    .sas-application-form,
    .sas-form-hero {
        padding: 24px 18px;
    }
    .sas-section {
        padding: 18px;
    }
    .sas-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Multi-step, mobile-first application flow */
.sas-progress-wrap {
    margin: 0 0 22px;
    padding: 18px;
    border: 1px solid var(--sas-border);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(23, 32, 51, .05);
}

.sas-progress-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.sas-progress-label,
.sas-progress-title {
    font-size: 13px;
    font-weight: 900;
    color: var(--sas-muted);
}

.sas-progress-label strong {
    color: var(--sas-primary);
}

.sas-progress-title {
    color: var(--sas-text);
    text-align: right;
}

.sas-progress-track {
    height: 10px;
    border-radius: 999px;
    background: #eef2f7;
    overflow: hidden;
}

.sas-progress-track span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--sas-primary), var(--sas-primary-dark));
    transition: width .24s ease;
}

.sas-step-dots {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
}

.sas-step-dots span {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: #f1f5f9;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 900;
    border: 1px solid #e2e8f0;
}

.sas-step-dots span.is-active {
    background: var(--sas-primary);
    color: #fff;
    border-color: var(--sas-primary);
    box-shadow: 0 8px 18px rgba(29, 78, 216, .24);
}

.sas-step-dots span.is-done {
    background: #dcfce7;
    color: var(--sas-success);
    border-color: #bbf7d0;
}

.sas-form-step {
    display: none;
    animation: sasFadeIn .18s ease;
}

.sas-form-step.is-active {
    display: block;
}

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

.sas-form-nav {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 4px;
}

.sas-nav-btn,
.sas-submit-btn {
    min-height: 56px;
}

.sas-nav-btn {
    flex: 1;
    border: 1px solid var(--sas-border);
    border-radius: 18px;
    background: #fff;
    color: var(--sas-text);
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
    transition: all .18s ease;
}

.sas-nav-btn:hover {
    border-color: var(--sas-primary);
    color: var(--sas-primary);
    background: var(--sas-soft);
}

.sas-next-btn {
    color: #fff;
    border-color: var(--sas-primary);
    background: linear-gradient(135deg, var(--sas-primary), var(--sas-primary-dark));
    box-shadow: 0 16px 34px rgba(29, 78, 216, .22);
}

.sas-next-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--sas-primary-dark), var(--sas-primary));
}

.sas-form-nav .sas-submit-btn {
    flex: 1.4;
}

@media (max-width: 720px) {
    .sas-form-shell {
        margin: 10px auto;
        padding: 8px;
    }

    .sas-form-card {
        border-radius: 22px;
        box-shadow: 0 16px 44px rgba(23, 32, 51, .11);
    }

    .sas-form-hero {
        padding: 26px 18px 22px;
    }

    .sas-form-hero h2 {
        font-size: 28px;
        line-height: 1.08;
    }

    .sas-form-hero p {
        font-size: 14px;
    }

    .sas-application-form {
        padding: 18px 12px 20px;
    }

    .sas-progress-wrap {
        padding: 14px;
        border-radius: 18px;
    }

    .sas-progress-top {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .sas-progress-title {
        text-align: left;
        font-size: 15px;
    }

    .sas-step-dots span {
        width: 26px;
        height: 26px;
    }

    .sas-section {
        padding: 16px;
        border-radius: 18px;
    }

    .sas-section-title {
        gap: 10px;
        padding-bottom: 14px;
        margin-bottom: 16px;
    }

    .sas-section-title > span {
        width: 30px;
        height: 30px;
        border-radius: 10px;
    }

    .sas-section-title h3 {
        font-size: 19px;
    }

    .sas-choice-grid {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .sas-choice span {
        min-height: 48px;
        padding: 12px;
    }

    .sas-field input,
    .sas-field select,
    .sas-job-box input {
        min-height: 50px;
        font-size: 16px;
    }

    .sas-job-box {
        padding: 14px;
        border-radius: 16px;
    }

    .sas-form-nav {
        position: sticky;
        bottom: 0;
        z-index: 20;
        margin: 0 -12px -20px;
        padding: 12px;
        background: rgba(248, 250, 252, .94);
        backdrop-filter: blur(8px);
        border-top: 1px solid var(--sas-border);
    }

    .sas-nav-btn,
    .sas-submit-btn {
        min-height: 52px;
        border-radius: 16px;
    }

    .sas-modal-card {
        padding: 24px 18px;
        border-radius: 22px;
    }
}

@media (max-width: 420px) {
    .sas-form-nav {
        gap: 8px;
    }

    .sas-nav-btn,
    .sas-submit-btn {
        font-size: 15px;
    }
}

.sas-prev-btn,
.sas-form-nav .sas-submit-btn {
    display: none;
}

.sas-form-nav .sas-submit-btn {
    width: auto;
}