:root {
    --font-scale: 1;
    --line-height: 1.6;

    /* Color system - use these throughout the site */
    --bg-color: #ffffff;
    --text-color: #000000;
    --accent-color: #0b63d6; /* links, buttons */
    --card-bg: rgba(255, 255, 255, 0.9);
    --muted: rgba(0,0,0,0.6);
}

/* Scale rem units site-wide: this ensures components using rem values (e.g., headings) scale when --font-scale changes */
html {
    font-size: calc(100% * var(--font-scale)); /* 100% = browser default (typically 16px) */
}

body {
    font-size: 1rem; /* keep body at 1rem so rem units inside elements scale with html */
    line-height: var(--line-height);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: all 0.2s ease;
} 

/* Mode adjustments using variables */
/* Dark Mode: comfortable low-light theme (preserves decoration) */
body.dark-mode {
    --bg-color: #121212;
    --text-color: #eaeaea; /* light gray */
    --accent-color: #6fb7ff; /* mild blue accent for dark mode */
    --card-bg: #1e1e1e;
    --muted: rgba(255,255,255,0.65);
}

/* High-Contrast Mode: strict accessibility-first theme (black + yellow) */
body.high-contrast {
    --bg-color: #000000;
    --text-color: #ffff00; /* yellow for maximum contrast */
    --accent-color: #ffff00; /* accents also yellow */
    --card-bg: #000000;
    --muted: rgba(255,255,0,0.8);
} 

/* Safety overrides: dark-mode keeps decoration where possible; high-contrast strips decorations for legibility */
body.dark-mode [style] {
    color: var(--text-color) !important;
    /* preserve background images/gradients in dark mode where they don't affect readability */
}

body.high-contrast [style] {
    color: var(--text-color) !important;
    text-shadow: none !important;
}

/* Background handling: be gentle in dark-mode; strict in high-contrast */
body.dark-mode [style*="background"] {
    /* do not forcibly remove gradients in dark-mode; just ensure text color is readable */
    color: var(--text-color) !important;
}

body.high-contrast [style*="background"] {
    background: var(--card-bg) !important;
    background-image: none !important;
    border-color: var(--text-color) !important;
} 

/* Ensure major site components follow the mode variables */
body.dark-mode .bank-header,
body.high-contrast .bank-header,
body.dark-mode .navbar,
body.high-contrast .navbar,
body.dark-mode .footer-premium,
body.high-contrast .footer-premium,
body.dark-mode .card,
body.high-contrast .card,
body.dark-mode .president-message-card,
body.high-contrast .president-message-card {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: rgba(255,255,255,0.06) !important;
}

/* Accessibility toolbar buttons in dark/contrast: make buttons visible (yellow background with dark text) */
body.dark-mode .accessibility-bar button,
body.high-contrast .accessibility-bar button {
    background: var(--accent-color) !important;
    color: var(--bg-color) !important;
    border-color: var(--text-color) !important;
}

/* Ensure links are visible in high-contrast/dark */
body.dark-mode a,
body.high-contrast a,
body.dark-mode .nav-link,
body.high-contrast .nav-link,
body.dark-mode .dropdown-item,
body.high-contrast .dropdown-item {
    color: var(--accent-color) !important;
}

/* Make sure footer icons use mode text color for readability */
body.dark-mode .footer-premium .footer-icon,
body.high-contrast .footer-premium .footer-icon {
    color: var(--text-color) !important;
}


/* Keep line-height and colors inherited, but do not override explicit element font-size values (so rem and px sizes still scale via html font-size) */
body * {
    line-height: inherit;
    background-color: transparent;
    color: inherit;
} 

body {
    font-size: calc(1rem * var(--font-scale));
    line-height: var(--line-height);
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Global component colors using variables */
a, .nav-link, .dropdown-item {
    color: var(--accent-color);
}

.navbar, .bank-header {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.footer-premium {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.card, .service-card {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.dropdown-menu {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: rgba(0,0,0,0.06);
}

/* make sure buttons and controls remain visible in modes */
button, .btn {
    color: var(--text-color);
}

/* Muted text */
.text-muted, small {
    color: var(--muted);
} 


.card,
.service-card {
    background-color: rgba(255, 255, 255, 0.9);
}

body.dark-mode .card,
body.dark-mode .service-card {
    background-color: #1e1e1e;
}

/* Header & navbar overrides so the branded header doesn't clash with modes */
.bank-header {
    /* keep original gradient by default */
    background: linear-gradient(135deg, #ff0000, #0400ff, #ff0000);
}

/* When in dark-mode, slightly darken the branded header (keep a subtle gradient). High-contrast uses a solid background. */
body.dark-mode .bank-header {
    background: linear-gradient(135deg, #2b0000, #001022) !important;
    color: var(--text-color) !important;
}

body.high-contrast .bank-header {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

body.dark-mode .navbar {
    background: linear-gradient(180deg, rgba(18,18,18,0.9), rgba(20,20,20,0.8)) !important;
    color: var(--text-color) !important;
}

body.high-contrast .navbar {
    background: var(--bg-color) !important;
    color: var(--text-color) !important;
} 

/* High contrast link overrides to ensure readability */
body.high-contrast a,
body.high-contrast .nav-link,
body.high-contrast .dropdown-item {
    color: var(--accent-color) !important;
}

body.high-contrast .footer-premium {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* ========= Mode safety overrides ========= */
/* Ensure elements with inline styles (common across the site) adapt to the current mode for readability */
body.high-contrast [style] {
    color: var(--text-color) !important;
    background-color: transparent !important;
    border-color: var(--text-color) !important;
    text-shadow: none !important;
}

/* Dark mode: prefer site text color for inline-styled elements to avoid unreadable colors */
body.dark-mode [style] {
    color: var(--text-color) !important;
    background-color: transparent !important;
    border-color: rgba(255,255,255,0.06) !important;
    text-shadow: none !important;
}

/* Additional safety: make headings and general text use the mode text color when necessary */
body.high-contrast h1, body.high-contrast h2, body.high-contrast h3, body.high-contrast h4, body.high-contrast h5, body.high-contrast h6,
body.high-contrast p, body.high-contrast span {
    color: var(--text-color) !important;
}

/* Improve keyboard focus visibility */
:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

body.high-contrast :focus {
    outline-color: var(--text-color);
    outline-offset: 2px;
}

/* ===== Dark-mode: neutralize decorative inline-colored spans for readability ===== */
/* Many pages use <span style="color:...; text-shadow:..."> for decorative headings.
   In dark-mode those can become hard to read. Force such spans to use the mode text color. */
body.dark-mode span[style*="color:"],
body.dark-mode [style*="text-shadow"] {
  color: var(--text-color) !important;
  text-shadow: none !important;
} 

/* ===== Dropdown and Accordion (FAQ) mode rules ===== */
.dropdown-menu {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: rgba(255,255,255,0.06) !important;
}

.dropdown-item {
    color: var(--text-color) !important;
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: rgba(255,255,0,0.12) !important;
    color: var(--bg-color) !important;
}

/* Accordion (FAQ) */
.accordion-button {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    box-shadow: none !important;
}

.accordion-button::after {
    filter: invert(100%); /* try to make chevron visible; browsers may vary */
}

/* Dark mode: subtle highlight */
body.dark-mode .accordion-button:not(.collapsed) {
    background-color: rgba(111,183,255,0.06) !important;
    color: var(--bg-color) !important;
}

/* High-contrast: strong yellow highlight */
body.high-contrast .accordion-button:not(.collapsed) {
    background-color: var(--accent-color) !important;
    color: var(--bg-color) !important;
}

.accordion-body {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-top: 1px solid rgba(255,255,255,0.04) !important;
} 

/* Force section headings/trims that use gradients to be visible in modes */
body.dark-mode .mx-auto.mb-3, body.high-contrast .mx-auto.mb-3 {
    background: linear-gradient(90deg, rgba(255,255,0,0.10), rgba(255,255,0,0.06)) !important;
}

/* Ensure any inline gradient bars are toned down in modes */
body.dark-mode [style*="linear-gradient"], body.high-contrast [style*="linear-gradient"] {
    background: linear-gradient(90deg, rgba(255,255,0,0.08), rgba(255,255,0,0.04)) !important;
}

/* Extra safety: turn any white card-like sections dark in modes */
body.dark-mode .president-message-card, body.dark-mode .ceo-message-card, body.dark-mode .president-message-section,
body.high-contrast .president-message-card, body.high-contrast .ceo-message-card, body.high-contrast .president-message-section {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* ===== History page specific overrides ===== */
/* Replace light section background and text-dark with mode-safe colors */
body.dark-mode .bg-light, body.high-contrast .bg-light {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

body.dark-mode .text-dark, body.high-contrast .text-dark {
    color: var(--text-color) !important;
}

/* Nav tabs (History page) */
body.dark-mode .nav-tabs .nav-link, body.high-contrast .nav-tabs .nav-link {
    color: var(--text-color) !important;
    background: transparent !important;
}

body.dark-mode .nav-tabs .nav-link.active::after, body.high-contrast .nav-tabs .nav-link.active::after {
    background-color: var(--accent-color) !important;
}

/* Overlay text on banner */
body.dark-mode .overlay-text, body.high-contrast .overlay-text {
    color: var(--text-color) !important;
    text-shadow: none !important;
}

/* Image tint for large banners to ensure readability */
body.dark-mode .image-text-full img, body.high-contrast .image-text-full img {
    filter: brightness(0.35) contrast(0.9) !important;
}

/* Card containers used inside tabs */
body.dark-mode .tab-pane .p-4, body.high-contrast .tab-pane .p-4 {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
    border-color: rgba(255,255,255,0.04) !important;
}

/* ===== Branches page overrides ===== */
/* Inline gradient container (top section) */
body.dark-mode .container[style*="linear-gradient"],
body.high-contrast .container[style*="linear-gradient"] {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* Branch cards */
.branch-card {
    background: #f5f5f5;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0,0,0,0.08); /* visible border for normal mode */
}

body.dark-mode .branch-card, body.high-contrast .branch-card {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--accent-color) !important; /* yellow border in modes */
}

/* Ensure headings and small text inside branch cards are visible */
body.dark-mode .branch-card h5, body.high-contrast .branch-card h5,
body.dark-mode .branch-card p, body.high-contrast .branch-card p {
    color: var(--text-color) !important;
}

/* Banner overlay colors */
body.dark-mode .overlay-text, body.high-contrast .overlay-text {
    color: var(--text-color) !important;
}

/* Dim large banner images to keep overlay readable */
body.dark-mode .image-text-full img, body.high-contrast .image-text-full img {
    filter: brightness(0.35) contrast(0.9) !important;
}

/* ===== Our Services adjustments ===== */
/* Make service-card headings and descriptions clearly visible in dark/high-contrast modes */
body.dark-mode #our-services .service-card h5,
body.dark-mode #our-services .service-card p,
body.dark-mode #our-services .service-card .text-muted {
    color: #ffffff !important; /* white in dark-mode */
}

body.high-contrast #our-services .service-card h5,
body.high-contrast #our-services .service-card p,
body.high-contrast #our-services .service-card .text-muted {
    color: var(--text-color) !important; /* yellow in high-contrast */
}

/* ===== Financial Status page overrides ===== */
/* Banner overlay color and image tint */
body.dark-mode .image-text-full .overlay-text, body.high-contrast .image-text-full .overlay-text {
    color: var(--text-color) !important;
    text-shadow: none !important;
}
body.dark-mode .image-text-full img, body.high-contrast .image-text-full img {
    filter: brightness(0.35) contrast(0.9) !important;
}

/* Table header (explicit inline background-color:#0a3d78) - make readable in modes */
body.dark-mode thead[style*="#0a3d78"], body.high-contrast thead[style*="#0a3d78"],
body.dark-mode thead, body.high-contrast thead {
    background-color: var(--accent-color) !important;
    color: var(--bg-color) !important;
}

body.dark-mode thead th, body.high-contrast thead th {
    color: var(--bg-color) !important;
}

/* Table variants */
body.dark-mode .table-primary, body.high-contrast .table-primary {
    background-color: rgba(255,255,0,0.06) !important;
    color: var(--text-color) !important;
}

body.dark-mode .table-light, body.high-contrast .table-light {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

body.dark-mode .table-bordered th, body.high-contrast .table-bordered th,
body.dark-mode .table-bordered td, body.high-contrast .table-bordered td {
    border-color: rgba(255,255,255,0.06) !important;
}

/* Header bars and footnote */
body.dark-mode .bg-primary, body.high-contrast .bg-primary {
    background-color: var(--accent-color) !important;
    color: var(--bg-color) !important;
}

body.dark-mode .bg-light .text-muted, body.high-contrast .bg-light .text-muted,
body.dark-mode .bg-light, body.high-contrast .bg-light {
    background-color: var(--card-bg) !important;
    color: var(--muted) !important;
}

/* Ensure cards that contain tables are dark */
body.dark-mode .card, body.high-contrast .card {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* ===== Financial table styling in modes: dark bg, yellow borders, yellow text ===== */
body.dark-mode .financial-table, body.high-contrast .financial-table {
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* Ensure all cells don't keep white backgrounds from Bootstrap */
/* Dark mode: subtle borders */
body.dark-mode .financial-table td, body.dark-mode .financial-table th {
    background: transparent !important;
    color: var(--text-color) !important;
    border-color: rgba(255,255,255,0.06) !important;
}

/* High-contrast: yellow borders */
body.high-contrast .financial-table td, body.high-contrast .financial-table th {
    background: transparent !important;
    color: var(--text-color) !important;
    border-color: var(--accent-color) !important;
}

/* Override Bootstrap table row variation colors inside financial table */
body.dark-mode .financial-table .table-primary, body.high-contrast .financial-table .table-primary {
    background-color: rgba(255,255,0,0.06) !important;
    color: var(--text-color) !important;
}
body.dark-mode .financial-table .table-light, body.high-contrast .financial-table .table-light {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* Make table header stand out slightly */
body.dark-mode .financial-table thead, body.high-contrast .financial-table thead {
    background: rgba(255,255,0,0.12) !important;
    color: var(--bg-color) !important;
}

/* Ensure table borders (outer) are visible */
body.dark-mode .financial-table.table-bordered, body.high-contrast .financial-table.table-bordered {
    border: 2px solid var(--accent-color) !important;
}

/* Make sure number cells (text-end) follow the text color */
body.dark-mode .financial-table .text-end, body.high-contrast .financial-table .text-end {
    color: var(--text-color) !important;
}

/* Ensure responsive wrapper doesn't show a white background */
body.dark-mode .table-responsive, body.high-contrast .table-responsive {
    background: transparent !important;
}

/* Make table rows transparent by default to avoid stacked whites */
body.dark-mode .financial-table tbody tr, body.high-contrast .financial-table tbody tr {
    background: transparent !important;
}

/* Final safety: force any inline style background on table elements to use the card bg */
body.dark-mode .financial-table [style*="background"], body.high-contrast .financial-table [style*="background"] {
    background: var(--card-bg) !important;
}

/* ===== Team (Management) page styles ===== */
/* Force team member names and titles to be visible in dark and high-contrast modes */
body.dark-mode .team-card h5,
body.dark-mode .team-card p {
    color: #ffffff !important; /* white names and titles in dark mode */
}

body.high-contrast .team-card h5,
body.high-contrast .team-card p {
    color: var(--text-color) !important; /* yellow names and titles in high-contrast */
}

/* ===== Rates (Loans/Deposits) card styling ===== */
.rates-card {
    /* Use a CSS variable so the default color remains the branded blue, but modes can override */
    border: 2px solid var(--rates-border, #4a00e0) !important;
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* In dark-mode and high-contrast, use a white border for better visibility */
body.dark-mode .rates-card,
body.high-contrast .rates-card {
    border-color: #ffffff !important;
}

/* Announcement modal (site-wide) */
#siteAnnouncementModal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 20000; }
#siteAnnouncementModal[hidden] { display: none; }
#siteAnnouncementModal .site-modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
#siteAnnouncementModal .site-modal-body { position: relative; background: var(--card-bg); color: var(--text-color); padding: 20px; width: min(720px, 92%); border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); z-index: 20001; max-height: 90vh; overflow:auto; outline: none; }
#siteAnnouncementModal .site-modal-close { position:absolute; right:10px; top:10px; background:transparent; border:none; font-size:1.6rem; line-height:1; color:var(--text-color); cursor:pointer; }
#siteAnnouncementModal h2 { margin-top:0; color:var(--accent-color); font-size:1.25rem; }
#siteAnnouncementModal p { margin:0.5rem 0; color:var(--text-color); }
@media (max-width:520px){ #siteAnnouncementModal .site-modal-body{ width: 96%; padding:16px; } }