:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --text: #1a2a3a;
    --muted: #5b6b7c;
    --line: #d8e1eb;
    --line-dark: #c6d1de;
    --primary: #2f6fed;
    --primary-soft: #e9f0ff;
    --danger-soft: #ffe3e3;
    --danger-text: #8b2222;
    --shadow: 0 6px 20px rgba(17, 38, 68, 0.06);
}

* { box-sizing: border-box; }

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

h1, h2, h3 { margin: 0 0 10px; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }

p { margin: 0; color: var(--muted); }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(6px);
}

.brand { font-weight: 700; color: #10223a; }

.topbar nav { display: flex; gap: 14px; align-items: center; }

.topbar a {
    color: #354b63;
    text-decoration: none;
    font-weight: 500;
    padding: 6px 8px;
    border-radius: 6px;
}

.topbar a:hover { background: #f1f5fb; }
.topbar .logout { color: #954848; }

.container { max-width: 1360px; margin: 24px auto; padding: 0 18px; }

.page-header { margin-bottom: 14px; }
.page-subtitle { margin-top: 4px; font-size: 14px; }
.page-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.mode-switch {
    display: grid;
    gap: 6px;
    justify-items: end;
    font-size: 12px;
    color: #556a82;
    font-weight: 600;
}

.mode-switch-buttons {
    display: flex;
    gap: 6px;
}

.mode-btn.active {
    background: #2f6fed;
    border-color: #2f6fed;
    color: #fff;
}

.panel,
.card,
.login-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
}

.card-grid {
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
}

.card-grid.four { grid-template-columns: repeat(4, minmax(200px, 1fr)); }
.card-grid.three { grid-template-columns: repeat(3, minmax(220px, 1fr)); }

.card {
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease, transform .15s ease;
}

.card:hover {
    border-color: #aac0ea;
    transform: translateY(-1px);
}

.tool-card { display: grid; gap: 8px; }
.dashboard-tools { max-width: 1100px; margin: 0 auto 18px; }
.dashboard-tool { padding: 22px; border-radius: 16px; gap: 12px; }
.tool-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: #edf3ff;
    color: #1f4ea2;
    font-size: 20px;
}
.enter-btn {
    display: inline-flex;
    width: fit-content;
    padding: 6px 12px;
    border-radius: 999px;
    background: #1f4ea2;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
}
.tool-tag {
    color: #2f6fed;
    font-size: 12px;
    font-weight: 600;
    background: var(--primary-soft);
    display: inline-block;
    width: fit-content;
    padding: 4px 8px;
    border-radius: 999px;
}

.two-col { display: grid; gap: 12px; grid-template-columns: 1.25fr 1fr; }

.loan-layout .panel { min-height: 100%; }

.loan-form-stack { display: grid; gap: 14px; }
.form-section {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px;
    background: #fcfdff;
}

.form-section h3 { font-size: 15px; margin-bottom: 10px; }

.grid-form { display: grid; gap: 10px; }
.grid-form.dense { grid-template-columns: repeat(2, minmax(220px, 1fr)); align-items: end; }

.grid-form label {
    font-size: 12px;
    font-weight: 600;
    color: #43566c;
    margin-bottom: 6px;
    display: block;
}

input, select, button, textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--line-dark);
    border-radius: 8px;
    font: inherit;
    color: var(--text);
    background: #fff;
}

input:focus, select:focus, textarea:focus {
    border-color: #8fb0ee;
    outline: 2px solid #e2ebfe;
}

button {
    cursor: pointer;
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    font-weight: 600;
}

button:hover { filter: brightness(0.97); }

.btn-secondary,
#copySummaryBtn {
    background: #fff;
    color: #31527f;
    border-color: #b9c9df;
}

.btn-inline,
#copySummaryBtn {
    width: auto;
    min-width: 110px;
    padding: 8px 12px;
}

.row-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 8px;
}

.metric-grid {
    margin-bottom: 14px;
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(2, minmax(160px, 1fr));
}

.metric-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f9fbff;
    padding: 10px;
}
.result-cards .metric-card.warn { border-color: #f3c16c; background: #fff7ea; }
.result-cards .metric-card.danger { border-color: #f2a2a2; background: #fff0f0; }
.result-cards .metric-card.info { border-color: #b8cef6; background: #eff4ff; }

.metric-label {
    font-size: 12px;
    font-weight: 600;
    color: #53667f;
    margin-bottom: 6px;
}

.metric-value {
    font-size: 18px;
    font-weight: 700;
    color: #17273d;
}

.summary-header-row,
.section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

textarea { resize: vertical; line-height: 1.45; }

table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; font-size: 13px; }
th { color: #41566f; font-weight: 600; }

td button {
    width: auto;
    padding: 6px 10px;
    margin-right: 6px;
}

.module-pill {
    background: #edf3ff;
    color: #2d5fc0;
    border: 1px solid #d6e3fb;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 600;
}

.text-link {
    color: #406bb7;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.text-link:hover { text-decoration: underline; }

.result-grid { margin-top: 10px; display: grid; gap: 6px; font-size: 14px; color: #2b3c50; }
.hidden { display: none !important; }

.login-card { max-width: 420px; margin: 80px auto; }
.hint { margin-bottom: 16px; }
.test-account {
    margin-top: 14px;
    background: #f6f8fc;
    border: 1px dashed #c3cedc;
    border-radius: 8px;
    padding: 10px;
    font-size: 13px;
    color: #405367;
}

.flash-wrap { margin-bottom: 10px; }
.flash { padding: 9px 10px; border-radius: 8px; margin-bottom: 6px; border: 1px solid transparent; }
.flash.error { background: var(--danger-soft); color: var(--danger-text); border-color: #f2b5b5; }

pre {
    background: #f4f7fc;
    color: #33475d;
    border: 1px solid var(--line);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
}

@media (max-width: 1080px) {
    .card-grid.four { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
    .card-grid.three { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .row-actions { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
}

@media (max-width: 640px) {
    .topbar { flex-direction: column; align-items: flex-start; }
    .topbar nav { flex-wrap: wrap; }
    .grid-form.dense,
    .metric-grid { grid-template-columns: 1fr; }
}

.section-block {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px;
    background: #fcfdff;
    margin-bottom: 12px;
}

.field-help {
    font-size: 12px;
    margin-bottom: 10px;
}

.collateral-rows {
    display: grid;
    gap: 10px;
}

.collateral-row {
    display: grid;
    gap: 8px;
    grid-template-columns: 1.2fr 1fr 1fr 1fr auto;
    align-items: end;
    border: 1px dashed #c7d4e8;
    border-radius: 10px;
    padding: 10px;
    background: #f9fbff;
}

.notice-box {
    border: 1px solid #f0d99c;
    background: #fff9e9;
    color: #7f5f1b;
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 10px;
    font-size: 13px;
}
.mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.mode-tab {
    width: auto;
    background: #fff;
    color: #31527f;
    border: 1px solid #b9c9df;
    padding: 8px 14px;
    border-radius: 999px;
}
.mode-tab.active {
    background: #2f6fed;
    color: #fff;
    border-color: #2f6fed;
}
.single-row { grid-template-columns: repeat(6, minmax(120px, 1fr)); }
.sync-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 14px;
    color: #334a64;
}
.checkbox-row input { width: auto; }
.hero-result {
    border: 1px solid #d5e0f1;
    background: #f8fbff;
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 12px;
}
.hero-label { color: #4a6280; font-size: 12px; font-weight: 600; }
#heroResultCard h3 { margin: 6px 0; font-size: 20px; }
#heroResultValue { font-size: 34px; font-weight: 800; color: #15345f; }
.quote-summary-wrap { background: #f9fbfe; }
.quote-summary {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    min-height: 170px;
}
.capacity-item {
    padding: 10px 0;
    border-bottom: 1px dashed #d5dfed;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #2d4361;
}
.capacity-item:last-child { border-bottom: none; }
.capacity-item strong { color: #13355f; font-size: 18px; }

.table-wrap {
    overflow-x: auto;
}

.module-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
}

.model-explain {
    margin-top: 8px;
    margin-bottom: 8px;
    border: 1px dashed #b6c6de;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    color: #4b6077;
    background: #f5f8ff;
}

.event-flags {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
}

.event-flags label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.event-flags input {
    width: auto;
}

@media (max-width: 960px) {
    .collateral-row {
        grid-template-columns: 1fr 1fr;
    }
}