/* ===============================================
   SAVINGS CALCULATOR - USING MODERNTOOLS UNIFIED THEME
   =============================================== */

/* Use modern tools color scheme */
:root {
    --primary-color: #3B82F6;
    --secondary-color: #10B981;
    --accent-color: #8B5CF6;
    --text-color: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;    
    --radius-2xl: 1.5rem;
    
    /* Gray color scale for consistency */
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    
    /* Additional colors for savings calculator functionality */
    --success-color: #10B981;
    --success-light: #A7F3D0;
    --warning-color: #F59E0B;
    --warning-light: #FDE68A;
    --danger-color: #EF4444;
    --danger-light: #FCA5A5;
    
    /* Aliases for compatibility */
    --brand-primary: var(--primary-color);
    --brand-secondary: var(--secondary-color);
    --text-primary: var(--text-color);
}

/* Dark theme */
[data-theme="dark"] {
    --text-color: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-tertiary: #9CA3AF;
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    
    /* Gray color scale for dark theme */
    --gray-100: #374151;
    --gray-200: #4B5563;
    --gray-300: #6B7280;
    --gray-400: #9CA3AF;
    
    /* Aliases for compatibility */
    --brand-primary: var(--primary-color);
    --brand-secondary: var(--secondary-color);
    --text-primary: var(--text-color);
}

/* Theme-aware background support */
body {
    background: var(--bg-primary);
}

[data-theme="dark"] body {
    background: var(--bg-primary);
}

/* Main Layout */
.main-content {
    min-height: 100vh;
}

/* ===============================================
   HERO SECTION STYLES
   =============================================== */

.tool-hero {
    margin-top: 0;
    padding: 120px 0 80px;
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(59, 130, 246, 0.1) 30%, rgba(16, 185, 129, 0.1) 70%, var(--bg-primary) 100%);
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.tool-hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(59, 130, 246, 0.03), transparent, rgba(16, 185, 129, 0.03), transparent);
    /* animation: heroRotate 20s linear infinite; */
    pointer-events: none;
}

/* @keyframes heroRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
} */

.hero-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    /* animation: heroIconFloat 3s ease-in-out infinite; */
}

/* @keyframes heroIconFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
} */

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}

.hero-icon i {
    font-size: 3rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-color), var(--text-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Responsive hero adjustments */
@media (max-width: 768px) {
    .tool-hero {
        padding: 100px 0 60px;
    }
    
    .hero-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 1.5rem;
    }
    
    .hero-icon i {
        font-size: 2.5rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
}

/* ===============================================
   CALCULATOR SECTION STYLES
   =============================================== */

.calculator-main {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
}

.calculator-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Calculator Tabs */
.calculator-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-button.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

/* Calculator Card */
.calculator-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Display Area */
.calculator-display {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

.display-result {
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.result-unit {
    font-size: 1.2rem;
    font-weight: 500;
    opacity: 0.9;
    margin-left: 0.5rem;
}

.display-formula {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Input Sections */
.calculator-inputs {
    padding: 2rem;
}

.input-section {
    display: none;
}

.input-section.active {
    display: block;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.input-group input {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group input::placeholder {
    color: var(--text-tertiary);
}

/* Comparison Scenarios */
.comparison-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.scenario-group {
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
}

.scenario-group h3 {
    margin: 0 0 1rem 0;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Calculate Button */
.calculate-button-container {
    text-align: center;
}

.calculate-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    min-width: 250px;
}

.calculate-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.calculate-button:active {
    transform: translateY(0);
}

.calculate-button i {
    margin-right: 0.5rem;
}

/* Clear Button */
.clear-button {
    background: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    min-width: 250px;
    margin-left: 1rem;
    margin-top: 1rem;
}

.clear-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.clear-button:active {
    transform: translateY(0);
}

.clear-button i {
    margin-right: 0.5rem;
}

@media (max-width: 600px) {
    .calculate-button-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
        padding-top: 8;
    }
    .calculate-button,
    .clear-button {
        min-width: 180px;
        padding: 0.75rem 1.25rem;
    }
}

/* ===============================================
   RESULTS SECTION STYLES
   =============================================== */

.results-container {
    margin-top: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

/* Progress Section */
.progress-section {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.progress-section h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 700;
}

.progress-bar-container {
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 0.8s ease;
    width: 0%;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-percentage {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.progress-amount {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Milestones Section */
.milestones-section {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.milestones-section h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 700;
}

.milestones-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.milestone-item {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.milestone-item.completed {
    border-color: var(--success-color);
    background: var(--success-light);
}

.milestone-item.current {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

.milestone-percentage {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.milestone-amount {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.milestone-date {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Breakdown Section */
.breakdown-section {
    padding: 2rem;
}

.breakdown-section h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 700;
}

.breakdown-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.breakdown-toggle {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all 0.3s ease;
}

.breakdown-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.breakdown-toggle.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.breakdown-chart {
    height: 400px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.breakdown-table {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-container {
    max-height: 400px;
    overflow-y: auto;
}

.breakdown-table table {
    width: 100%;
    border-collapse: collapse;
}

.breakdown-table th,
.breakdown-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-color);
    position: sticky;
    top: 0;
}

.breakdown-table td {
    color: var(--text-secondary);
}

/* ===============================================
   INFO SECTION STYLES
   =============================================== */

.info-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.info-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.info-main h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.info-main > p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 3rem;
}

.feature-highlights {
    display: grid;
    gap: 2rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.info-sidebar {
    position: sticky;
    top: 2rem;
}

.quick-reference {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.quick-reference h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.reference-grid {
    display: grid;
    gap: 1.5rem;
}

.reference-item {
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.reference-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.reference-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

@media (max-width: 1024px) {
    .info-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .info-sidebar {
        position: static;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .calculator-main {
        padding: 60px 0;
    }
    
    .calculator-tabs {
        gap: 0.5rem;
    }
    
    .tab-button {
        padding: 0.625rem 1rem;
        font-size: 0.8rem;
    }
    
    .calculator-inputs {
        padding: 1.5rem;
    }
    
    .input-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-scenarios {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .calculate-button {
        min-width: 200px;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .milestones-container {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .breakdown-section {
        padding: 1.5rem;
    }
    
    .breakdown-chart {
        height: 300px;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .info-main h2 {
        font-size: 2rem;
    }
    
    .info-main > p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .tool-hero {
        padding: 80px 0 40px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .calculator-inputs {
        padding: 1rem;
    }
    
    .result-value {
        font-size: 2.5rem;
    }
    
    .calculate-button {
        min-width: 180px;
        padding: 0.75rem 1.25rem;
    }
    
    .metrics-grid {
        padding: 1rem;
    }
    
    .metric-card {
        padding: 1rem;
    }
    
    .metric-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .metric-value {
        font-size: 1.25rem;
    }
}

/* ===============================================
   ANIMATIONS AND TRANSITIONS
   =============================================== */

.results-container {
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.metric-card {
    animation: fadeInScale 0.6s ease-out;
    animation-fill-mode: both;
}

.metric-card:nth-child(1) { animation-delay: 0.1s; }
.metric-card:nth-child(2) { animation-delay: 0.2s; }
.metric-card:nth-child(3) { animation-delay: 0.3s; }
.metric-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.milestone-item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.milestone-item:nth-child(1) { animation-delay: 0.1s; }
.milestone-item:nth-child(2) { animation-delay: 0.2s; }
.milestone-item:nth-child(3) { animation-delay: 0.3s; }
.milestone-item:nth-child(4) { animation-delay: 0.4s; }
.milestone-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}