:root {
    --primary: #0D9488;
    --primary-dark: #0F766E;
    --primary-light: #CCFBF1;
    --primary-glow: rgba(13, 148, 136, 0.2);

    --slate-900: #0F172A;
    --slate-800: #1E293B;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-400: #94A3B8;
    --slate-200: #E2E8F0;
    --slate-100: #F1F5F9;
    --slate-50: #F8FAFC;

    --gold: #D97706;
    --gold-light: #FEF3C7;
    --rose: #E11D48;
    --rose-light: #FFE4E6;

    --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    background-color: var(--slate-50);
    color: var(--slate-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: #FFFFFF;
    border-right: 1px solid var(--slate-200);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px 24px 8px;
    border-bottom: 1px solid var(--slate-100);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFFFFF;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.brand-text h2 {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--slate-900);
}

.brand-text span {
    font-size: 11px;
    color: var(--slate-400);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius);
    border: none;
    background: transparent;
    color: var(--slate-600);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
}

.nav-item:hover {
    background: var(--slate-100);
    color: var(--slate-900);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.nav-item svg {
    stroke-width: 2.2;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--slate-100);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.api-docs-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    padding: 8px;
    border-radius: 8px;
    background: var(--primary-light);
    transition: background 0.2s;
}

.api-docs-link:hover {
    background: #b2f5ea;
}

.security-badge {
    font-size: 11px;
    color: var(--slate-600);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 4px;
}

.dot-green {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.user-greeting h1 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--slate-900);
}

.user-greeting p {
    font-size: 14px;
    color: var(--slate-600);
    margin-top: 2px;
}

/* Regulatory Banner */
.regulatory-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gold-light);
    border: 1px solid #FDE68A;
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 24px;
    font-size: 13px;
    color: #92400E;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-secondary {
    background: #FFFFFF;
    color: var(--slate-800);
    border: 1px solid var(--slate-200);
}

.btn-secondary:hover {
    background: var(--slate-50);
    border-color: var(--slate-400);
}

.btn-block {
    width: 100%;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.25s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.metric-card {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--slate-600);
    font-size: 13px;
    font-weight: 600;
}

.metric-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.metric-icon.primary { background: var(--primary-light); color: var(--primary); }
.metric-icon.error { background: var(--rose-light); color: var(--rose); }
.metric-icon.accent { background: var(--gold-light); color: var(--gold); }

.metric-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--slate-900);
    margin: 8px 0 4px 0;
    letter-spacing: -0.5px;
}

.text-error { color: var(--rose); }

.metric-sub {
    font-size: 12px;
    color: var(--slate-400);
}

/* Section Title Bar */
.section-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title-bar h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--slate-900);
}

.section-desc {
    font-size: 13px;
    color: var(--slate-600);
}

.badge {
    background: var(--slate-100);
    color: var(--slate-700);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.credit-card-item {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-issuer {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
}

.card-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--slate-100);
    color: var(--slate-700);
}

.card-tag.verified {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.card-variant {
    font-size: 16px;
    font-weight: 700;
    color: var(--slate-900);
}

.card-masked {
    font-family: monospace;
    font-size: 14px;
    color: var(--slate-600);
    margin: 4px 0 16px 0;
    letter-spacing: 1px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--slate-100);
    padding-top: 12px;
    font-size: 12px;
}

.card-footer-item span {
    display: block;
    color: var(--slate-400);
    font-size: 11px;
}

.card-footer-item strong {
    color: var(--slate-800);
}

/* Matcher Panel */
.matcher-panel {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 24px;
}

.matcher-inputs, .matcher-results {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 14px;
    color: var(--slate-900);
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--slate-200);
    background: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
    color: var(--slate-700);
    cursor: pointer;
    transition: all 0.15s;
}

.chip:hover {
    background: var(--slate-100);
}

.chip.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.result-card {
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    padding: 16px;
    transition: all 0.2s;
}

.result-card.rank-1 {
    border-color: var(--primary);
    background: #F0FDF4;
}

.result-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.rank-badge {
    background: var(--primary);
    color: #FFFFFF;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}

.benefit-pill {
    background: var(--gold-light);
    color: var(--gold);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
}

.benefit-inr {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-dark);
    margin: 6px 0;
}

.result-formula {
    font-size: 12px;
    color: var(--slate-700);
    margin-top: 4px;
}

/* Payments Container */
.statements-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.statement-box {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.statement-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--slate-100);
}

.due-date-highlight {
    font-weight: 700;
    color: var(--primary);
}

.statement-amounts-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.amount-col span {
    display: block;
    font-size: 12px;
    color: var(--slate-600);
}

.amount-col strong {
    font-size: 18px;
    color: var(--slate-900);
}

.payment-plan-form {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    background: var(--slate-50);
    padding: 12px;
    border-radius: var(--radius);
}

.payment-plan-form .form-group {
    margin-bottom: 0;
    flex: 1;
}

/* Import Card */
.import-card {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 650px;
    box-shadow: var(--shadow-sm);
}

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

.alert-box {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
}

.alert-box.success {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.alert-box.error {
    background: var(--rose-light);
    color: var(--rose);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 24px;
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--slate-400);
}

.empty-state {
    padding: 32px;
    text-align: center;
    color: var(--slate-400);
    font-size: 14px;
    grid-column: 1 / -1;
}

/* Card Categories & Badges */
.card-tag.needs-verification {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
}
.card-tag.historical {
    background: #EDE9FE;
    color: #5B21B6;
    border: 1px solid #DDD6FE;
}
.metric-icon.credit {
    background: #D1FAE5;
    color: #059669;
}
.badge-overdue {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
    font-weight: 700;
}
.badge-today {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
    font-weight: 700;
}
.badge-upcoming {
    background: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #93C5FD;
    font-weight: 700;
}
.badge-unknown {
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #CBD5E1;
    font-weight: 700;
}
.card-category-sub {
    font-size: 12px;
    color: var(--slate-500);
    margin: 2px 0 6px 0;
}
.card-note-box {
    margin-top: 10px;
    padding: 8px 10px;
    background: #F8FAFC;
    border-left: 3px solid #94A3B8;
    border-radius: 4px;
    font-size: 12px;
    color: #475569;
    line-height: 1.4;
}
.card-note-box.warning {
    background: #FFFBEB;
    border-left-color: #F59E0B;
    color: #92400E;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}
.card-actions-row {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 16px 0;
}
.detail-item {
    background: #F8FAFC;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #E2E8F0;
}
.detail-item label {
    display: block;
    font-size: 11px;
    color: #64748B;
    font-weight: 600;
    text-transform: uppercase;
}
.detail-item div {
    font-size: 13px;
    font-weight: 600;
    color: #1E293B;
    margin-top: 2px;
}
.detail-item.full-width {
    grid-column: 1 / -1;
}
.modal-content.wide {
    max-width: 840px;
    max-height: 90vh;
    overflow-y: auto;
}

/* Modal Tabs */
.modal-nav-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--slate-100);
    padding-bottom: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
}

.modal-tab-btn {
    padding: 8px 14px;
    border: none;
    background: transparent;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 700;
    color: var(--slate-600);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.modal-tab-btn:hover {
    background: var(--slate-100);
    color: var(--slate-900);
}

.modal-tab-btn.active {
    background: var(--primary);
    color: #FFFFFF;
}

.modal-section-pane {
    display: none;
}

.modal-section-pane.active {
    display: block;
    animation: fadeIn 0.15s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-block {
    margin-bottom: 16px;
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    padding: 16px;
}

.section-block-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-variant-verified {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}

.badge-variant-unverified {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}

.badge-discontinued {
    background: #F3F4F6;
    color: #374151;
    border: 1px solid #D1D5DB;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}

.provenance-card {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 14px 18px;
    margin-top: 12px;
}

.provenance-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

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

/* Comparison Table View */
.comparison-container {
    background: #FFFFFF;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.comparison-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.comparison-filters {
    display: flex;
    gap: 8px;
    align-items: center;
}

.comparison-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.comparison-table th {
    background: var(--slate-50);
    color: var(--slate-700);
    padding: 12px 14px;
    font-weight: 700;
    border-bottom: 2px solid var(--slate-200);
    white-space: nowrap;
}

.comparison-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--slate-100);
    vertical-align: top;
    color: var(--slate-800);
}

.comparison-table tr:hover td {
    background: #F8FAFC;
}

.table-card-title {
    font-weight: 700;
    color: var(--slate-900);
    font-size: 14px;
}

.table-card-issuer {
    font-size: 11px;
    color: var(--slate-500);
    text-transform: uppercase;
    font-weight: 600;
}