:root {
    --primary-blue: #1A56A0;
    --accent-light-blue: #E8F0FA;
    --bg-color: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-primary: #1A1A2E;
    --text-secondary: #555555;
    --success-green: #1A8765;
    --warning-orange: #B8860B;
    --danger-red: #C0392B;
    --border-color: #E2E8F0;
    --navbar-bg: #FFFFFF;
    --footer-bg: #1A1A2E;
    --input-bg: #FFFFFF;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --adsense-bg: #E2E8F0;

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html.dark-mode {
    --primary-blue: #4A90D9;
    --accent-light-blue: #1E3A5F;
    --bg-color: #0F1117;
    --card-bg: #1A1D27;
    --text-primary: #E8EAF0;
    --text-secondary: #9BA3B2;
    --success-green: #2ECC8E;
    --warning-orange: #F0A500;
    --danger-red: #E55555;
    --border-color: #2D3748;
    --navbar-bg: #1A1D27;
    --footer-bg: #0A0D14;
    --input-bg: #252836;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    --adsense-bg: #252836;
}

html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

* {
    transition: background-color 0.2s ease, border-color 0.2s ease,
        color 0.2s ease;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.logo {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--primary-blue) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    margin-left: 1rem;
}

.nav-link:hover {
    color: var(--primary-blue);
}

/* Form controls */
.form-label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    font-family: var(--font-body);
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.25rem rgba(26, 86, 160, 0.25);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    border-radius: 8px;
    padding: 12px 24px;
    border: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #144380;
    color: white;
}

.btn-outline-primary {
    background-color: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    border-radius: 8px;
    padding: 10px 22px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    color: white;
}

.btn-outline-danger {
    border: 2px solid var(--danger-red);
    color: var(--danger-red);
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
}

.btn-outline-danger:hover {
    background-color: var(--danger-red);
    color: white;
}

/* Cards */
.card-custom {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 24px;
    border: none;
    height: 100%;
    transition: transform 0.2s ease;
    margin-bottom: 24px;
}

.card-custom:hover {
    transform: translateY(-4px);
}

.card-custom h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-custom p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Badges */
.badge-type {
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.badge-need-based {
    background-color: var(--accent-light-blue);
    color: var(--primary-blue);
}

.badge-merit {
    background-color: #E6F4EA;
    color: var(--success-green);
}

.badge-loan {
    background-color: #FFF3CD;
    color: var(--warning-orange);
}

.badge-need-merit {
    background-color: #F3E8FF;
    color: #6B21A8;
}

.badge-full-scholarship {
    background-color: #FEF3C7;
    color: #D97706;
}

/* AdSense placeholder */
.adsense-placeholder {
    background-color: var(--adsense-bg);
    color: var(--text-secondary);
    text-align: center;
    padding: 40px 20px;
    margin: 40px auto;
    border-radius: 8px;
    font-weight: 500;
    max-width: 900px;
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: #E8EAF0;
    padding: 3rem 0;
    margin-top: 4rem;
}

footer a {
    color: #A0AEC0;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

footer a:hover {
    color: white;
}

.footer-tagline {
    color: #A0AEC0;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: #718096;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Theme Toggle Button */
.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-theme-toggle:hover {
    background-color: var(--accent-light-blue);
}

/* Show/hide correct icon based on mode */
html.light-mode .icon-moon,
html:not(.dark-mode) .icon-moon {
    display: inline;
}

html.light-mode .icon-sun,
html:not(.dark-mode) .icon-sun {
    display: none;
}

html.dark-mode .icon-moon {
    display: none;
}

html.dark-mode .icon-sun {
    display: inline;
}

/* Dark Mode Overrides for Bootstrap Components */
html.dark-mode .form-control,
html.dark-mode .form-select {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

html.dark-mode .form-control:focus,
html.dark-mode .form-select:focus {
    background-color: var(--input-bg);
    color: var(--text-primary);
}

html.dark-mode .accordion-button {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

html.dark-mode .accordion-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

html.dark-mode .navbar-toggler-icon {
    filter: invert(1);
}

html.dark-mode .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--border-color);
}
@media (max-width: 991.98px) {
  .btn-theme-toggle {
    padding: 4px 8px;
    font-size: 0.85rem;
  }
}