/* -----------------------------
   Base / Page
------------------------------ */

:root {
    --vantiera-navy: #0F2747;
    --vantiera-navy-hover: #223E7A;
    --vantiera-blue: #84A6E0;
    --vantiera-light: #F3F4F6;
    --vantiera-text: #0F2747;
    --vantiera-white: #FFFFFF;
    --vantiera-border: #D9DEE7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px 16px;
    font-family: Arial, sans-serif;
    background: var(--vantiera-white);
    color: var(--vantiera-text);
}

.page-shell {
    max-width: 860px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 20px;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.header-text {
    flex: 1;
}

.header-logo img {
    height: 84px;
    width: auto;
    display: block;
}

.page-title {
    margin: 0 0 8px 0;
    font-size: 2rem;
    line-height: 1.15;
    font-weight: 700;
    color: var(--vantiera-text);
}

.page-subtitle {
    margin: 0 0 6px 0;
    font-size: 1rem;
    color: #425466;
}

.page-brand {
    margin: 0;
    font-size: 0.9rem;
    color: #6B7280;
}

/* -----------------------------
   Cards
------------------------------ */

.card {
    background: var(--vantiera-white);
    border: 1px solid var(--vantiera-border);
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: 0 8px 24px rgba(15, 39, 71, 0.06);
}

.card-title {
    margin: 0 0 18px 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--vantiera-text);
}

/* -----------------------------
   Messages
------------------------------ */

.vantiera-warning {
    background-color: #F3F4F6;
    border: 1px solid #0F2747;
    color: #0F2747;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.vantiera-success {
    background-color: #F3F4F6;
    border: 1px solid #84A6E0;
    color: #0F2747;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.vantiera-info {
    background-color: #0F2747;
    border: 1px solid #0F2747;
    color: #FFFFFF;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 16px;
}

/* -----------------------------
   Form
------------------------------ */

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--vantiera-text);
}

.form-help {
    font-size: 0.85rem;
    color: #6B7280;
}

.form-inline {
    display: grid;
    grid-template-columns: 1fr 180px;
    gap: 12px;
}

.mode-toggle {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.mode-toggle label,
.checkbox-row label {
    font-size: 0.95rem;
    color: var(--vantiera-text);
    font-weight: 500;
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--vantiera-border);
    border-radius: 14px;
    background: var(--vantiera-light);
    color: var(--vantiera-text);
    padding: 0.8rem 0.95rem;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

textarea {
    min-height: 130px;
    resize: vertical;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    border-color: var(--vantiera-blue);
    box-shadow: 0 0 0 3px rgba(132, 166, 224, 0.18);
    background: var(--vantiera-white);
}

input[type="file"] {
    width: 100%;
    border: 1px solid var(--vantiera-border);
    border-radius: 14px;
    background: var(--vantiera-light);
    color: var(--vantiera-text);
    padding: 0.8rem 0.95rem;
    font-size: 0.95rem;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* -----------------------------
   Button
------------------------------ */

.primary-button {
    background-color: #0F2747;
    color: #FFFFFF;
    border-radius: 999px;
    border: none;
    padding: 0.75rem 1.35rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    transition:
        background-color 0.15s ease,
        box-shadow 0.15s ease,
        transform 0.15s ease;
}

.primary-button:hover {
    background-color: #223E7A;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
    transform: translateY(-1px);
}

/* -----------------------------
   Results
------------------------------ */

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

.result-stat {
    background: var(--vantiera-light);
    border: 1px solid var(--vantiera-border);
    border-radius: 16px;
    padding: 16px;
}

.result-label {
    margin: 0 0 6px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: #5B6676;
}

.result-value {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--vantiera-text);
}

.result-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.result-detail {
    background: var(--vantiera-white);
    border: 1px solid var(--vantiera-border);
    border-radius: 14px;
    padding: 14px 16px;
}

.result-detail-name {
    margin: 0 0 6px 0;
    font-size: 0.9rem;
    color: #5B6676;
    font-weight: 600;
}

.result-detail-value {
    margin: 0;
    font-size: 1.05rem;
    color: var(--vantiera-text);
    font-weight: 700;
}

.result-note {
    margin-top: 16px;
    font-size: 0.92rem;
    color: #5B6676;
    line-height: 1.5;
}

.result-item {
    margin: 0 0 10px 0;
    font-size: 0.98rem;
    color: var(--vantiera-text);
    font-weight: 600;
}

/* -----------------------------
   CTA block
------------------------------ */

.cta-box {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--vantiera-border);
}

.cta-title {
    margin: 0 0 6px 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--vantiera-text);
}

.cta-text {
    margin: 0;
    font-size: 0.92rem;
    color: #5B6676;
    line-height: 1.5;
}

.cta-link-wrap {
    margin: 12px 0 0 0;
}

.cta-link {
    color: var(--vantiera-navy);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

.cta-link:hover {
    color: var(--vantiera-navy-hover);
    text-decoration: underline;
}

/* -----------------------------
   Responsive
------------------------------ */

@media (max-width: 640px) {
    .page-title {
        font-size: 1.7rem;
    }

    .form-inline,
    .results-grid,
    .result-detail-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 16px;
    }

    body {
        padding: 18px 12px;
    }
}