@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* Smart EMI Calculator - Enhanced Styles */
:root {
    /* Default Light Finance Theme - High Contrast */
    --primary-color: #2563eb;
    /* Modern Blue */
    --secondary-color: #64748b;
    --background-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --heading-color: #1e3a8a;
    --border-color: #e2e8f0;
    --accent-color: #f1f5f9;
    --chart-color-1: #2563eb;
    --chart-color-2: #f43f5e;
    --chart-color-3: #10b981;
    --hero-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    --soft-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --hover-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
    /* Dark Professional Theme - Improved Contrast */
    --primary-color: #60a5fa;
    --secondary-color: #94a3b8;
    --background-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --heading-color: #93c5fd;
    --border-color: #334155;
    --accent-color: #1e293b;
    --chart-color-1: #60a5fa;
    --chart-color-2: #f87171;
    --chart-color-3: #34d399;
    --hero-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --soft-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --hover-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* Global Dark Theme Utility Overrides */
[data-theme="dark"] .bg-light {
    background-color: var(--accent-color) !important;
}

[data-theme="dark"] .table td {
    background-color: var(--accent-color) !important;
}

[data-theme="dark"] .bg-white {
    background-color: var(--card-bg) !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .text-secondary {
    color: var(--secondary-color) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--text-color) !important;
}

[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .alert-primary {
    background-color: var(--accent-color);
    border-color: var(--primary-color);
    color: var(--text-color);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
    color: #34d399;
}

[data-theme="green"] {
    /* Green Investment Theme - Vibrant */
    --primary-color: #059669;
    --secondary-color: #64748b;
    --background-color: #f0fdf4;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --heading-color: #064e3b;
    --border-color: #d1fae5;
    --accent-color: #ecfdf5;
    --chart-color-1: #059669;
    --chart-color-2: #f59e0b;
    --chart-color-3: #0ea5e9;
    --hero-gradient: linear-gradient(135deg, #064e3b 0%, #059669 100%);
    --soft-shadow: 0 10px 15px -3px rgba(5, 150, 105, 0.1);
}

[data-theme="purple"] {
    /* Purple Premium Theme - Rich & Eye Catching */
    --primary-color: #7c3aed;
    --secondary-color: #64748b;
    --background-color: #faf5ff;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --heading-color: #4c1d95;
    --border-color: #ede9fe;
    --accent-color: #f5f3ff;
    --chart-color-1: #7c3aed;
    --chart-color-2: #f97316;
    --chart-color-3: #14b8a6;
    --hero-gradient: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%);
    --soft-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.1);
}

body {
    background-color: var(--background-color);
    color: var(--text-color) !important;
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.7;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--heading-color) !important;
}

/* Navbar Enhancements */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--soft-shadow);
    transition: all 0.3s;
    padding: 1rem 0;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color) !important;
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 600;
    transition: color 0.2s;
    font-size: 0.95rem;
}

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

/* Hero Section */
.hero-section {
    background: var(--hero-gradient);
    color: white;
    padding: 5rem 0;
    text-align: center;
    margin-bottom: 3rem;
    border-radius: 0 0 50px 50px;
    box-shadow: var(--hover-shadow);
}

.hero-section h1 {
    color: white !important;
    font-size: 3rem;
}

.hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--soft-shadow);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    margin-bottom: 2rem;
    overflow: hidden;
    color: var(--text-color) !important;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--hover-shadow);
}

/* Form Elements */
.form-control,
.form-select {
    background-color: var(--card-bg);
    color: var(--text-color) !important;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    outline: none;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 14px;
    padding: 0.8rem 2rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
    transition: all 0.2s;
}

.btn-primary:hover {
    background-color: var(--heading-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 14px;
    font-weight: 600;
}

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

/* Results styles */
.result-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.stat-card {
    background-color: var(--accent-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s;
    border: 1px solid var(--border-color);
    /* Added subtle border */
}

.stat-card:hover {
    transform: scale(1.02);
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}

/* Range Sliders */
.range-slider {
    width: 100%;
    margin-top: 0.8rem;
    cursor: pointer;
}

/* Attractive Accordion Redesign */
.accordion {
    width: 100%;
    margin: 2rem 0;
}

.accordion-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px !important;
    margin-bottom: 1.25rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.accordion-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--soft-shadow);
    border-color: var(--primary-color);
}

.accordion-header {
    border-radius: 20px !important;
    width: 100%;
}

.accordion-button {
    padding: 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    background-color: transparent;
    color: var(--heading-color);
    box-shadow: none !important;
    border-radius: 20px !important;
    transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.accordion-button::after {
    background-size: 1.25rem;
    transition: transform 0.3s ease;
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.8;
    background-color: var(--card-bg);
}

/* Fix for accordion-flush if used */
.accordion-flush .accordion-item {
    border-right: 1px solid var(--border-color) !important;
    border-left: 1px solid var(--border-color) !important;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    border: none;
    background: transparent;
    padding: 0.75rem 1.5rem;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background: transparent;
    font-weight: 700;
}

.nav-tabs .nav-link:hover:not(.active) {
    color: var(--primary-color);
}

/* Tables */
table {
    color: var(--text-color);
    border-color: var(--border-color) !important;
}

.table-hover tbody tr:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] thead.bg-primary,
[data-theme="dark"] th.bg-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #ffffff !important;
}

th {
    background-color: var(--accent-color) !important;
    color: var(--primary-color);
    border-color: var(--border-color) !important;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

td {
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
    vertical-align: middle;
}

/* Collapsible Amortization Table */
.year-row {
    cursor: pointer;
    font-weight: 700 !important;
    background-color: rgba(var(--primary-rgb), 0.05) !important;
}

.year-row:hover {
    background-color: rgba(var(--primary-rgb), 0.1) !important;
}

.year-row .transition-icon {
    transition: transform 0.3s ease;
    display: inline-block;
    width: 1rem;
}

.year-row:not(.collapsed) .transition-icon {
    transform: rotate(90deg);
}

.month-row {
    background-color: var(--card-bg) !important;
    font-size: 0.85rem;
}

.month-row td:first-child {
    padding-left: 2rem !important;
    color: var(--secondary-color);
    font-weight: 500;
}

/* Risk Badges - More noticeable */
.risk-badge {
    padding: 0.4em 0.8em;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.risk-safe {
    background-color: #28a745;
    color: white;
}

.risk-moderate {
    background-color: #ffc107;
    color: #212529;
}

.risk-risky {
    background-color: #dc3545;
    color: white;
}

/* Input Group */
.input-group-text {
    background-color: var(--accent-color);
    color: var(--text-color) !important;
    border-color: var(--border-color);
    border-radius: 10px;
}

/* Feature Icons */
.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    background: var(--accent-color);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.stat-card:hover .feature-icon,
.card:hover .feature-icon {
    transform: rotate(10deg) scale(1.1);
}

/* Content Section Elements */
.content-card {
    padding: 3rem;
}

.content-card h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.content-card h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.modern-list {
    list-style: none;
    padding-left: 0;
}

.modern-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.modern-list li::before {
    content: '\f058';
    /* FontAwesome check-circle */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: color 0.3s;
}

[data-theme="dark"] .modern-list li::before {
    color: var(--primary-color);
}

[data-theme="dark"] .modern-list li {
    color: var(--text-color);
}

/* Scenarios & FAQs */
/* Footer */
footer {
    background-color: var(--card-bg);
    padding: 5rem 0 3rem;
    margin-top: 5rem;
    border-top: 1px solid var(--border-color);
}

footer h5 {
    font-family: 'Poppins', sans-serif;
    color: var(--heading-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--primary-color);
}

footer .social-icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    color: var(--secondary-color);
}

footer .social-icon:hover {
    color: var(--primary-color);
}