:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary: #10b981;
    --secondary-light: #6ee7b7;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
    --info: #3b82f6;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md:
        0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg:
        0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl:
        0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
}

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

body {
    font-family:
        "Inter",
        system-ui,
        -apple-system,
        sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-base);
    overflow-x: hidden;
}

.app-container {
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
.app-header {
    text-align: center;
    color: var(--text-inverse);
    padding: 2rem 0;
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
}

.app-title {
    font-size: var(--font-4xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.app-subtitle {
    font-size: var(--font-xl);
    opacity: 0.9;
    font-weight: 300;
    margin-bottom: 2rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: var(--font-sm);
}

.btn-primary {
    background: var(--text-inverse);
    color: var(--primary);
    border-color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-inverse);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-inverse);
}

/* Step Progress */
.step-progress {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    transition: var(--transition);
}

.step.active {
    opacity: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-inverse);
    transition: var(--transition);
}

.step.active .step-number {
    background: var(--text-inverse);
    color: var(--primary);
    border-color: var(--text-inverse);
}

.step-label {
    color: var(--text-inverse);
    font-size: var(--font-sm);
    font-weight: 500;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.step-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.step-header {
    text-align: center;
    margin-bottom: 2rem;
}

.step-header h2 {
    font-size: var(--font-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.step-header h2 svg {
    color: var(--primary);
}

.step-description {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Form Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.input-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.input-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.input-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: var(--font-lg);
}

.input-label svg {
    color: var(--primary);
    flex-shrink: 0;
}

.input-wrapper {
    position: relative;
    margin-bottom: 0.75rem;
}

.form-input {
    width: 100%;
    padding: 1rem 4rem 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--font-lg);
    font-family: inherit;
    background: var(--bg-primary);
    transition: var(--transition);
}

/* Fix for number inputs in Safari and other browsers */
.form-input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.form-input[type="number"]::-webkit-outer-spin-button,
.form-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
    display: none;
}

/* Additional Safari fixes */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
    display: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.large-input {
    font-size: var(--font-xl);
    font-weight: 600;
    text-align: center;
}

.input-suffix {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-weight: 500;
    pointer-events: none;
    font-size: var(--font-lg);
    z-index: 1;
    user-select: none;
}

/* Currency selector styles */
.currency-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.currency-selector label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.currency-selector select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    font-family: inherit;
    font-size: var(--font-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.currency-selector select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

/* Toggle switch styles */
.toggle-section {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.toggle-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toggle-input {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--text-muted);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-switch:hover {
    background: var(--text-secondary);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-input:checked + .toggle-switch {
    background: var(--primary);
}

.toggle-input:checked + .toggle-switch .toggle-slider {
    transform: translateX(24px);
}

.toggle-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-sm);
    min-width: 30px;
}

/* ROI section when hidden */
#roiSection {
    transition: var(--transition);
}

#roiSection[style*="display: none"] {
    margin-top: 0;
}

/* Timeframe toggle styles */
.timeframe-toggle {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    padding: 0.25rem;
    margin-bottom: 1rem;
    gap: 0.25rem;
}

.timeframe-btn {
    flex: 1;
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.timeframe-btn:hover {
    color: var(--text-primary);
    background: var(--bg-primary);
}

.timeframe-btn.active {
    background: var(--primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.timeframe-btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.input-help {
    font-size: var(--font-sm);
    color: var(--text-muted);
    line-height: 1.4;
}

/* Progress Bar */
.progress-container {
    margin-top: 1rem;
}

.progress-bar {
    background: var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    height: 8px;
    margin-bottom: 0.5rem;
}

.progress-fill {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    height: 100%;
    border-radius: var(--radius);
    transition: width 0.5s ease;
    width: 20%;
}

.progress-text {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    text-align: center;
}

/* Income Section */
.income-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.toggle-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.toggle-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.toggle-info h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.toggle-info p {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 24px;
    background: var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-switch.active {
    background: var(--primary);
}

.toggle-switch::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active::after {
    transform: translateX(26px);
}

.income-earners {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.income-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.income-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.income-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.earner-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.earner-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-base);
}

.add-income-btn {
    background: var(--primary);
    color: var(--text-inverse);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    font-size: var(--font-lg);
}

.add-income-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Results */
.hero-result {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-inverse);
}

.hero-label {
    font-size: var(--font-lg);
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.hero-amount {
    font-size: var(--font-4xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: var(--font-lg);
    opacity: 0.9;
    margin-bottom: 1rem;
}

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

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

.result-card.highlight {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.result-card.success {
    border-color: var(--success);
}

.result-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-card.highlight .result-icon {
    background: var(--primary);
    color: var(--text-inverse);
}

.result-card.success .result-icon {
    background: var(--success);
    color: var(--text-inverse);
}

.result-content {
    flex: 1;
}

.result-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-value {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.result-value.large {
    font-size: var(--font-2xl);
}

/* Chart Section */
.chart-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h3 {
    font-size: var(--font-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-header h3 svg {
    color: var(--primary);
}

.section-header p {
    font-size: var(--font-lg);
    color: var(--text-secondary);
}

.chart-container {
    height: 400px;
    position: relative;
}

/* Chart Controls */
.chart-controls {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.chart-controls-header {
    margin-bottom: 0.75rem;
}

.chart-controls-header span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.chart-controls-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chart-control-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.chart-control-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--text-primary);
}

.chart-control-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.chart-control-btn svg {
    width: 16px;
    height: 16px;
}

/* What-If Scenarios Section */
.scenarios-section {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--radius-lg);
    padding: 2rem;
    color: var(--text-primary);
}

.scenarios-section .section-header h3 {
    color: var(--primary);
}

.scenarios-section .section-header h3 svg {
    color: var(--info);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.scenario-card:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scenario-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
}

.scenario-boost::before {
    background: var(--success);
}
.scenario-cut::before {
    background: var(--warning);
}
.scenario-behavioral::before {
    background: var(--info);
}
.scenario-investment::before {
    background: var(--primary);
}
.scenario-income::before {
    background: var(--secondary);
}
.scenario-timeline::before {
    background: #8b5cf6;
}

.scenario-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.scenario-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 1rem;
}

.scenario-boost .scenario-icon {
    background: #dcfce7;
    color: var(--success);
}
.scenario-cut .scenario-icon {
    background: #fef3c7;
    color: var(--warning);
}
.scenario-behavioral .scenario-icon {
    background: #dbeafe;
    color: var(--info);
}
.scenario-investment .scenario-icon {
    background: #ede9fe;
    color: var(--primary);
}
.scenario-income .scenario-icon {
    background: #d1fae5;
    color: var(--secondary);
}
.scenario-timeline .scenario-icon {
    background: #f3e8ff;
    color: #8b5cf6;
}

.scenario-title-section {
    flex: 1;
}

.scenario-title {
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
    font-size: var(--font-lg);
}

.scenario-subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.scenario-difficulty {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.difficulty-easy {
    background: #dcfce7;
    color: #166534;
}

.difficulty-medium {
    background: #fef3c7;
    color: #92400e;
}

.difficulty-hard {
    background: #fee2e2;
    color: #991b1b;
}

.scenario-content {
    margin-top: 1rem;
}

.scenario-description {
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.scenario-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.scenario-metric {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.metric-label {
    display: block;
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.25rem;
}

.metric-value {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-sm);
}

.impact-value {
    color: var(--success);
}

.scenario-category {
    text-align: center;
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 500;
}

.no-scenarios {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.no-scenarios-icon {
    margin: 0 auto 1rem;
    width: 64px;
    height: 64px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.no-scenarios h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.no-scenarios p {
    margin: 0;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.open {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.share-options {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.share-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    width: 100%;
}

.share-btn:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.share-btn.chatgpt:hover {
    border-color: #10a37f;
}

.share-btn.claude:hover {
    border-color: #d4860f;
}

.share-btn.mistral:hover {
    border-color: #ff7000;
}

.share-icon {
    font-size: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius);
}

.share-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: brightness(0.9);
    transition: var(--transition);
}

.share-icon svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.share-btn:hover .share-icon img {
    filter: brightness(1);
    transform: scale(1.1);
}

.share-btn:hover .share-icon svg {
    color: var(--text-primary);
    transform: scale(1.1);
}

.share-info {
    flex: 1;
}

.share-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.share-desc {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.report-preview {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    background: var(--bg-secondary);
}

.report-preview h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.report-content {
    font-family: "Courier New", monospace;
    font-size: var(--font-sm);
    line-height: 1.4;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    color: var(--text-secondary);
}

/* Toast */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success);
    color: var(--text-inverse);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    display: none;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    animation: toastSlideIn 0.3s ease;
}

.toast.show {
    display: flex;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Remove earner button */
.remove-earner {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0.625rem;
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    position: relative;
}

.remove-earner:focus {
    outline: 2px solid var(--danger);
    outline-offset: 2px;
}

.remove-earner:hover {
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.05);
}

.remove-earner:active {
    transform: scale(0.95);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        padding: 0.5rem;
        gap: 1.5rem;
    }

    .app-title {
        font-size: var(--font-3xl);
        flex-direction: column;
        gap: 0.5rem;
    }

    .app-subtitle {
        font-size: var(--font-lg);
    }

    .header-actions {
        flex-direction: column;
        align-items: center;
    }

    .step-progress {
        gap: 1rem;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: var(--font-sm);
    }

    .step-label {
        font-size: var(--font-xs);
    }

    .step-section {
        padding: 1.5rem;
    }

    .step-header h2 {
        font-size: var(--font-xl);
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .hero-result {
        padding: 2rem 1rem;
    }

    .hero-amount {
        font-size: var(--font-3xl);
    }

    .chart-container {
        height: 300px;
    }

    .modal-content {
        margin: 0.5rem;
        max-height: 95vh;
    }

    .share-btn {
        padding: 0.75rem;
    }

    .share-icon {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .share-icon img,
    .share-icon svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .toggle-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .hero-status {
        flex-direction: column;
        gap: 0.25rem;
        padding: 1rem;
    }

    .result-card {
        padding: 1rem;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .scenario-card {
        padding: 1rem;
    }

    .scenario-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .scenario-icon {
        width: 40px;
        height: 40px;
        margin-right: 0;
    }

    .scenario-metrics {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .scenario-metric {
        padding: 0.5rem;
    }

    .chart-controls {
        padding: 0.75rem;
        margin: 1rem 0;
    }

    .chart-controls-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .chart-control-btn {
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: var(--font-base);
    }
}

/* Animation Classes */
.animate-in {
    animation: slideInUp 0.6s ease-out;
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .app-header,
    .step-progress,
    .header-actions,
    .modal,
    .toast {
        display: none !important;
    }

    .app-container {
        background: white;
        color: black;
    }

    .step-section,
    .chart-section,
    .scenarios-section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}