/* Base Styles */
:root {
    --primary-color: #4a6fdc;
    --primary-light: #e8eef9;
    --primary-dark: #395ab9;
    --secondary-color: #4cd964;
    --secondary-light: #e0fae4;
    --secondary-dark: #35a848;
    --accent-color: #ffcc00;
    --dark-color: #333333;
    --light-color: #ffffff;
    --gray-light: #f5f7fa;
    --gray-medium: #e1e5eb;
    --gray-dark: #8c9db5;
    --red-color: #ff6b6b;
    --green-color: #32d296;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--gray-light);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.2rem;
}

p {
    margin-bottom: 15px;
}

ul, ol {
    margin-bottom: 15px;
    padding-left: 20px;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 40px 0;
    text-align: center;
}

header h1 {
    margin-bottom: 10px;
}

header .fy {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 400;
}

header .tagline {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Cards */
.card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.intro-section {
    padding: 40px 0 20px;
}

.regime-comparison {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.regime {
    flex: 1;
    padding: 20px;
    border-radius: var(--border-radius);
    position: relative;
}

.regime h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.regime-header {
    display: flex;
    align-items: center;
    gap: 20px;
    align-self: center;
}

.regime.old {
    background-color: var(--primary-light);
    border: 1px solid var(--primary-color);
}

.regime.new {
    background-color: var(--secondary-light);
    border: 1px solid var(--secondary-color);
}

.features {
    list-style: none;
    padding: 0;
}

.features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.features li i {
    margin-right: 10px;
}

.fa-check {
    color: var(--green-color);
}

.fa-times {
    color: var(--red-color);
}

/* Main Content & Form */
main {
    padding: 40px 0;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    position: relative;
}

input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-medium);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 111, 220, 0.2);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238c9db5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

.subsection {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-medium);
}

.subsection:last-child {
    border-bottom: none;
}

.subsection h3 {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.total-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--gray-medium);
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}

.old-regime-label {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: normal;
    margin-left: 10px;
}

/* Buttons */
.calculate-btn-container {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 40px;
}

.calculate-btn {
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(74, 111, 220, 0.3);
}

.calculate-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(74, 111, 220, 0.4);
}

.primary-btn {
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.secondary-btn {
    background-color: var(--light-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    background-color: var(--primary-light);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Results Section */
.result-section {
    text-align: center;
}

.regime-results {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.regime-result {
    flex: 1;
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: left;
}

.regime-result.old {
    background-color: var(--primary-light);
    border: 1px solid var(--primary-color);
}

.regime-result.new {
    background-color: var(--secondary-light);
    border: 1px solid var(--secondary-color);
}

.regime-result h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.result-item.total {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--gray-medium);
    font-weight: 600;
}

.result-item.tax {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--gray-medium);
    font-weight: 600;
}

.result-item.final-tax {
    margin-top: 10px;
    padding: 12px 0;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.1rem;
    padding-left: 10px;
    padding-right: 10px;
}

.tax-comparison {
    margin-bottom: 40px;
}

.chart-container {
    height: 300px;
    margin: 30px auto;
    max-width: 700px;
}

.comparison-result {
    font-size: 1.2rem;
    font-weight: 600;
    padding: 15px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    display: inline-block;
}

.comparison-result #better-regime,
.comparison-result #tax-saving {
    color: var(--green-color);
}

.tax-optimization {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    text-align: left;
}

.tax-optimization h3 {
    display: flex;
    align-items: center;
}

#optimization-tips {
    list-style-type: none;
    padding: 0;
}

#optimization-tips li {
    margin-bottom: 10px;
    padding: 10px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

/* Tooltip Styles */
.tooltip-container {
    position: relative;
    display: inline-block;
    margin-left: 8px;
}

.tooltip-icon {
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.9rem;
}

.tooltip-content {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--light-color);
    color: var(--dark-color);
    text-align: left;
    border-radius: var(--border-radius);
    padding: 15px;
    width: 300px;
    box-shadow: var(--box-shadow);
    z-index: 100;
    font-weight: normal;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    pointer-events: none;
}

.tooltip-content::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent var(--light-color) transparent;
}

.tooltip-container:hover .tooltip-content {
    visibility: visible;
    opacity: 1;
}

.tooltip-content h4, 
.tooltip-content h5 {
    margin-bottom: 8px;
}

.tooltip-content p,
.tooltip-content ul,
.tooltip-content ol {
    margin-bottom: 10px;
}

.tooltip-content ul li,
.tooltip-content ol li {
    margin-bottom: 5px;
}

/* Info Section */
.info-section {
    padding: 40px 0;
    background-color: var(--gray-light);
}

.accordion-item {
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.accordion-header {
    background-color: var(--light-color);
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: var(--primary-light);
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.accordion-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.accordion-content {
    background-color: var(--light-color);
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content.active {
    padding: 20px;
    max-height: 1000px;
}

.investment-list li {
    margin-bottom: 20px;
}

.investment-list h4 {
    color: var(--primary-dark);
    margin-bottom: 5px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 991px) {
    .regime-comparison,
    .regime-results {
        flex-direction: column;
    }
    
    .regime,
    .regime-result {
        margin-bottom: 20px;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.7rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .result-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
        background-color: rgba(255, 255, 255, 0.7);
        border-radius: var(--border-radius);
        margin-bottom: 5px;
    }
    
    .result-item.final-tax {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .action-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .tooltip-content {
        width: 250px;
        left: -50px;
        transform: none;
    }
    
    .tooltip-content::before {
        left: 60px;
    }
}