:root {
    --primary: #0f172a;
    --secondary: #0284c7;
    --accent: #22c55e;
    --text: #334155;
    --muted: #64748b;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar {
    background: var(--primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 28px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.logo {
    font-size: 2.125rem;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: white;
}

.nav-links a.active {
    color: white;
    font-weight: 700;
}

.secondary-nav {
    background: var(--secondary);
    padding: 10px 28px;
}

.secondary-nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    width: 100%;
}

.secondary-nav .nav-links {
    justify-content: flex-end;
    margin-left: auto;
}

.secondary-nav a.active {
    color: white;
    font-weight: 700;
}

.session-active {
    padding: 4px 10px;
    border-radius: 6px;
    background-color: #16a34a;
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
}

.logout-link {
    border: 1px solid white;
    border-radius: 999px;
    padding: 6px 12px;
    color: white !important;
}

.page-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 20px 64px;
}

.simulation-page {
    max-width: 1320px;
}

.simulation-intro {
    padding: 28px 32px;
    border-left: 4px solid var(--secondary);
    border-radius: 12px;
    background: linear-gradient(135deg, #ffffff, #eef6fb);
    box-shadow: var(--shadow);
}

.simulation-intro .section-title {
    margin-bottom: 10px;
}

.simulation-intro p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
}

.hero,
.panel,
.card,
.comparison-card,
.form-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.hero {
    padding: 48px 32px;
    background: linear-gradient(135deg, var(--primary), #1e293b);
    color: white;
    border: none;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: clamp(2.1rem, 4vw, 3.3rem);
    margin: 0 0 14px;
    line-height: 1.12;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 24px;
    font-size: 1.1rem;
    opacity: 0.9;
}

.cta-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.primary-btn,
.secondary-btn,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border-radius: 999px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn,
button[type="submit"] {
    background: var(--secondary);
    color: white;
    box-shadow: 0 10px 24px rgba(2, 132, 199, 0.25);
}

.secondary-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: white;
}

.primary-btn:hover,
.secondary-btn:hover,
button:hover {
    transform: translateY(-1px);
}

.badge {
    display: inline-block;
    background: #e0f2fe;
    color: var(--secondary);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.account-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.login-success {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #86efac;
    border-radius: 999px;
    background: #dcfce7;
    color: #166534;
    font-size: 0.75rem;
    line-height: 1.6;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.login-status {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.login-welcome {
    color: inherit;
    font: inherit;
}

.login-data-note {
    color: var(--text);
    font-size: 1rem;
    font-weight: 400;
}

.section-title {
    margin: 0 0 20px;
    font-size: 2rem;
    color: var(--primary);
}

.page-intro {
    max-width: 820px;
    margin-bottom: 30px;
}

.page-intro p {
    font-size: 1.08rem;
    color: var(--muted);
}

.content-linder ks {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.content-links a {
    color: var(--secondary);
    font-weight: 700;
}

.reform-section {
    background: #eef6fb;
    border: 1px solid #cfe5f2;
    border-radius: 12px;
    padding: 30px;
}

.reform-header {
    max-width: 820px;
    margin-bottom: 24px;
}

.reform-header h2 {
    margin: 14px 0 10px;
    color: var(--primary);
}

.reform-grid {
    margin-top: 0;
}

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

.reform-card {
    box-shadow: none;
}

.reform-card h3,
.source-box h3 {
    margin-top: 0;
    color: var(--primary);
}

.source-box {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid #cfe5f2;
}

.source-box a {
    color: var(--secondary);
    font-weight: 700;
}

.eligibility-section {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
}

.eligibility-grid,
.tax-grid {
    margin-top: 0;
}

.eligibility-card,
.tax-card {
    box-shadow: none;
}

.tax-section {
    background: #fffaf0;
    border: 1px solid #f1dfb5;
    border-radius: 12px;
    padding: 30px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    padding: 26px;
}

.card h3 {
    margin-top: 14px;
    margin-bottom: 10px;
    font-size: 1.35rem;
    color: var(--primary);
}

.card h2 {
    color: var(--primary);
}

.card p,
.card li {
    color: var(--text);
}

.card ul {
    margin: 14px 0 0;
    padding-left: 18px;
}

.page-section {
    margin-top: 40px;
}

.auth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.form-card {
    padding: 28px;
}

.form-card h2 {
    color: var(--primary);
    margin-top: 0;
    margin-bottom: 18px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.form-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.form-actions {
    margin-top: 20px;
}

.registration-sections {
    display: grid;
    gap: 20px;
}

.registration-container {
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
}

.personal-data-container {
    margin-bottom: 20px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f0fdf4;
}

.personal-data-container h3 {
    margin: 0 0 16px;
    color: var(--primary);
}

.personal-name-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.personal-birth-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.personal-family-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.tax-rate-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.tax-rate-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tax-rate-input input {
    flex: 1;
    margin-bottom: 0;
}

.tax-rate-input span {
    color: var(--muted);
    font-weight: 700;
}

.kinder-fields {
    display: grid;
    grid-template-columns: 1.1fr 0.6fr 1.3fr 1fr 1.5fr 1.2fr;
    gap: 12px;
}

.kinder-row input,
.kinder-row select {
    margin-bottom: 0;
}

.profile-container {
    margin-bottom: 20px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
}

#kinder-container {
    background: #f0fdf4;
}

.profile-container h3 {
    margin: 0 0 16px;
    color: var(--primary);
}

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

.retirement-claims {
    margin-top: 16px;
}

.bank-account-list {
    display: grid;
    gap: 10px;
}

.bank-account-header,
.bank-account-row {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 12px;
    align-items: center;
}

.bank-account-fields {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr 1fr;
    gap: 12px;
}

.insurance-account-fields {
    display: grid;
    grid-template-columns: 1.2fr 1.1fr 1fr 1fr 1fr 1fr 1fr;
    gap: 12px;
}

.living-costs-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    align-items: start;
}

.living-costs-grid > div {
    display: flex;
    flex-direction: column;
}

.living-costs-grid label {
    min-height: 2.4em;
}

.living-costs-second-row {
    margin-top: 12px;
}

.property-basic-fields,
.property-loan-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.property-loan-fields {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-top: 16px;
}

.property-loan-fields > div {
    display: flex;
    flex-direction: column;
}

.property-loan-fields label {
    display: flex;
    align-items: flex-end;
    height: 4.8em;
    min-height: 4.8em;
    margin-bottom: 0;
}

.property-loan-fields input {
    margin-bottom: 0;
}

.simulation-limit-section {
    padding: 16px 22px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
}

.simulation-limit-form {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.simulation-limit-form label {
    margin-bottom: 0;
}

.simulation-limit-form select {
    width: 72px;
    flex: 0 0 72px;
    margin-bottom: 0;
}

.simulation-limit-form button {
    white-space: nowrap;
}

.projection-quarter-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.projection-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin: 0 0 14px;
    font-size: 0.8rem;
}

.projection-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.projection-legend-swatch {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid var(--border);
    border-radius: 3px;
}

.projection-legend-before {
    color: #000;
    background: white;
}

.projection-legend-after {
    color: #0369a1;
    background: #e0f2fe;
}

.projection-quarter-container {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
}

.projection-quarter-container h3 {
    margin: 0 0 10px;
    color: var(--primary);
}

.projection-quarter-fields {
    display: grid;
    gap: 2px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.projection-quarter-header,
.projection-quarter-row {
    display: grid;
    grid-template-columns: 50px 6ch 100px 100px 100px 100px 40px 100px 11ch;
    gap: 6px;
    padding: 1px 2px;
    font-size: 0.85rem;
    line-height: 1.2;
    min-width: 1010px;
}

.projection-quarter-header {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    white-space: normal;
}

.projection-quarter-cell {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    text-align: right;
    min-height: 26px;
    padding: 2px 4px;
    border: 1px solid #475569 !important;
    border-radius: 6px;
    background: white;
    color: var(--primary);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
    white-space: nowrap;
}

.projection-year-cell {
    font-weight: 800;
}

.projection-after-retirement .projection-quarter-cell {
    color: #0369a1;
    background: #e0f2fe;
}

.projection-before-retirement .projection-quarter-cell {
    background: white;
}

.projection-quarter-row {
    background: transparent;
    border: none;
    border-radius: 0;
    font-size: 0.95rem;
}

.bank-account-header {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
}

.bank-account-row input {
    margin-bottom: 0;
}

.bank-account-number {
    color: var(--primary);
    font-weight: 700;
    text-align: center;
}

.registration-container h3 {
    margin: 0 0 16px;
    color: var(--primary);
}

.container-note {
    margin: 0;
    color: var(--muted);
}

label {
    display: block;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

input, select, textarea {
    width: 100%;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: white;
    font: inherit;
    color: var(--text);
    margin-bottom: 7px;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

fieldset {
    border: none;
    margin: 0;
    padding: 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.metric {
    background: linear-gradient(180deg, #fff, #f8fafc);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px;
}

.metric .label {
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.metric .value {
    margin-top: 10px;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.table-wrap {
    overflow-x: auto;
    margin-top: 18px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    background: #f8fafc;
    color: var(--primary);
}

.rank-good {
    color: #047857;
    font-weight: 700;
}

.rank-medium {
    color: #b45309;
    font-weight: 700;
}

.rank-low {
    color: #b91c1c;
    font-weight: 700;
}

.alert {
    margin: 14px 0;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 0.95rem;
}

.alert-success {
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

footer {
    text-align: center;
    padding: 30px 16px 50px;
    color: var(--muted);
    font-size: 0.92rem;
}

@media (max-width: 720px) {
    .topbar {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .hero {
        padding: 36px 22px;
    }

    .retirement-fields,
    .retirement-claims,
    .bank-account-header,
    .bank-account-row,
    .personal-name-row {
        grid-template-columns: 1fr;
    }

    .kinder-row {
        grid-template-columns: 28px minmax(0, 1fr);
    }

    .personal-birth-row {
        grid-template-columns: 1fr;
    }

    .personal-family-row {
        grid-template-columns: 1fr;
    }

    .tax-rate-row {
        grid-template-columns: 1fr;
    }

    .bank-account-fields {
        grid-template-columns: 1fr;
    }

    .kinder-fields {
        grid-template-columns: 1.1fr 0.6fr 1.3fr 1fr 1.5fr 1.2fr;
    }

    .living-costs-grid,
    .property-basic-fields,
    .property-loan-fields {
        grid-template-columns: 1fr;
    }

    .living-costs-grid label {
        min-height: 0;
    }

    .projection-quarter-grid {
        grid-template-columns: 1fr;
    }

    .simulation-limit-form {
        align-items: stretch;
        flex-direction: column;
    }

    .simulation-limit-form select {
        width: 72px;
        flex-basis: 72px;
    }

    .property-loan-fields label {
        min-height: 0;
    }

    .insurance-account-fields {
        grid-template-columns: 1fr;
    }

    .bank-account-header {
        display: none;
    }

    .bank-account-row {
        gap: 0;
    }

    .bank-account-number {
        text-align: left;
    }

    .contract-grid {
        grid-template-columns: 1fr;
    }
}