/**
 * Redundancy Calculator Pro - Public Styles
 * 
 * @package RedundancyCalculatorPro
 */

/* CSS Variables for theming - Purple Gradient Theme */
:root {
    --rcp-brand: #9B51E0;
    --rcp-brand-2: #6C63FF;
    --rcp-brand-3: #7C3AED;
    --rcp-primary-color: #9B51E0;
    --rcp-primary-hover: #7C3AED;
    --rcp-success-color: #10B981;
    --rcp-success-hover: #059669;
    --rcp-warning-color: #F59E0B;
    --rcp-danger-color: #EF4444;
    --rcp-text-color: #111827;
    --rcp-text-muted: #4B5563;
    --rcp-border-color: rgba(17, 24, 39, 0.1);
    --rcp-border-radius: 14px;
    --rcp-box-shadow: 0 10px 28px rgba(17, 24, 39, 0.06);
    --rcp-bg-color: #ffffff;
    --rcp-bg-secondary: #faf7ff;
    --rcp-bg-tertiary: #f3f4f6;
    --rcp-bg-card: #ffffff;
    --rcp-surface: #faf7ff;
    --rcp-ring: rgba(155, 81, 224, 0.22);
    --rcp-grad: linear-gradient(135deg, #9B51E0 0%, #6C63FF 50%, #7C3AED 100%);
    --rcp-spacing-xs: 0.25rem;
    --rcp-spacing-sm: 0.5rem;
    --rcp-spacing-md: 1rem;
    --rcp-spacing-lg: 1.5rem;
    --rcp-spacing-xl: 2rem;
    --rcp-font-size-sm: 0.875rem;
    --rcp-font-size-base: 1rem;
    --rcp-font-size-lg: 1.125rem;
    --rcp-font-size-xl: 1.25rem;
    --rcp-font-size-2xl: 1.5rem;
    --rcp-font-size-3xl: 2rem;
}

/* Dark theme variables (for toggle) */
[data-theme="dark"] {
    --rcp-primary-color: #9B51E0;
    --rcp-primary-hover: #7C3AED;
    --rcp-success-color: #10B981;
    --rcp-success-hover: #059669;
    --rcp-warning-color: #F59E0B;
    --rcp-danger-color: #EF4444;
    --rcp-text-color: #ffffff;
    --rcp-text-muted: #b0b0b0;
    --rcp-border-color: rgba(255, 255, 255, 0.1);
    --rcp-bg-color: #1a1a1a;
    --rcp-bg-secondary: #2a2a2a;
    --rcp-bg-tertiary: #3a3a3a;
    --rcp-bg-card: #222222;
    --rcp-surface: #1a1a1a;
    --rcp-ring: rgba(155, 81, 224, 0.3);
}

/* Base styles */
.rcp-calculator-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 36px 18px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: var(--rcp-text-color);
    background: var(--rcp-surface);
    border-radius: 16px;
    box-shadow: var(--rcp-box-shadow);
    width: 100%;
    box-sizing: border-box;
}

.rcp-calculator {
    width: 100%;
}

/* Header */
.rcp-header {
    margin-bottom: var(--rcp-spacing-xl);
    padding-bottom: var(--rcp-spacing-lg);
    border-bottom: 2px solid var(--rcp-border-color);
    position: relative;
}

.rcp-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    position: relative;
}

.rcp-header-text {
    flex: 1;
    text-align: center;
}

.rcp-header h2 {
    margin: 0 0 12px;
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 800;
    line-height: 1.2;
    background: var(--rcp-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.rcp-subtitle {
    margin: 0 auto 22px;
    font-size: clamp(14px, 2.3vw, 16px);
    color: var(--rcp-text-muted);
    max-width: 860px;
    text-align: center;
}

[data-theme="dark"] .rcp-subtitle {
    color: #b0b0b0;
}

/* Main Layout */
.rcp-main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--rcp-spacing-xl);
    align-items: start;
}

.rcp-form-section {
    background: var(--rcp-bg-card);
    border-radius: 14px;
    padding: 18px;
    border: 1px solid rgba(17, 24, 39, 0.08);
    box-shadow: 0 10px 28px rgba(17, 24, 39, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
}

.rcp-form-section:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(17, 24, 39, 0.10);
    border-color: var(--rcp-ring);
}

.rcp-results-section {
    background: var(--rcp-bg-card);
    border-radius: var(--rcp-border-radius);
    padding: var(--rcp-spacing-xl);
    border: 1px solid var(--rcp-border-color);
    min-height: 600px;
}

[data-theme="dark"] .rcp-form-section {
    background: var(--rcp-bg-card);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .rcp-results-section {
    background: var(--rcp-bg-card);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Form styles */
.rcp-form {
    margin-bottom: 0;
}

.rcp-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--rcp-spacing-lg);
    margin-bottom: var(--rcp-spacing-xl);
}

.rcp-form-group {
    display: flex;
    flex-direction: column;
}

.rcp-form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--rcp-text-color);
    font-size: 14px;
    display: block;
}

.rcp-form-group .required {
    color: var(--rcp-danger-color);
}

.rcp-form-group input,
.rcp-form-group select,
.rcp-form-group textarea {
    padding: 12px 16px;
    border: 1px solid rgba(17, 24, 39, 0.15);
    border-radius: 10px;
    font-size: 15px;
    background: #ffffff;
    color: var(--rcp-text-color);
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

[data-theme="dark"] .rcp-form-group input,
[data-theme="dark"] .rcp-form-group select,
[data-theme="dark"] .rcp-form-group textarea {
    background: var(--rcp-bg-secondary);
    border-color: rgba(255, 255, 255, 0.1);
}

.rcp-form-group input:focus,
.rcp-form-group select:focus,
.rcp-form-group textarea:focus {
    outline: none;
    border-color: var(--rcp-primary-color);
    box-shadow: 0 0 0 3px var(--rcp-ring);
    background: #ffffff;
}

[data-theme="dark"] .rcp-form-group input:focus,
[data-theme="dark"] .rcp-form-group select:focus,
[data-theme="dark"] .rcp-form-group textarea:focus {
    background: var(--rcp-bg-tertiary);
}

.rcp-form-group input:invalid:not(:focus) {
    border-color: rgba(155, 81, 224, 0.3);
}

.rcp-form-group input.error,
.rcp-form-group input.has-error {
    border-color: rgba(155, 81, 224, 0.5);
    background-color: rgba(155, 81, 224, 0.05);
}

.rcp-field-error {
    color: var(--rcp-danger-color);
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

/* Breaks section */
.rcp-breaks-section {
    margin-bottom: var(--rcp-spacing-xl);
    padding: var(--rcp-spacing-lg);
    background: var(--rcp-bg-secondary);
    border-radius: var(--rcp-border-radius);
    border: 1px solid var(--rcp-border-color);
}

.rcp-breaks-section h3 {
    margin: 0 0 var(--rcp-spacing-sm) 0;
    font-size: var(--rcp-font-size-xl);
    color: var(--rcp-text-color);
}

.rcp-help-text {
    margin: 0 0 var(--rcp-spacing-lg) 0;
    font-size: var(--rcp-font-size-sm);
    color: var(--rcp-text-muted);
}

.rcp-break-toggle {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.rcp-break-toggle label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
}

.rcp-break-toggle input[type="radio"] {
    width: auto;
    margin: 0;
}

.rcp-break-item {
    display: flex;
    align-items: flex-start;
    gap: var(--rcp-spacing-md);
    margin-bottom: var(--rcp-spacing-md);
    padding: var(--rcp-spacing-md);
    background: var(--rcp-bg-card);
    border-radius: var(--rcp-border-radius);
    border: 1px solid var(--rcp-border-color);
}

.rcp-break-fields {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--rcp-spacing-md);
}

.rcp-break-dates {
    display: flex;
    align-items: center;
    gap: var(--rcp-spacing-sm);
    flex: 1;
}

.rcp-break-dates input {
    flex: 1;
    min-width: 0;
}

.rcp-date-separator {
    font-weight: 600;
    color: var(--rcp-text-muted);
    white-space: nowrap;
}

.rcp-remove-break {
    background: var(--rcp-danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: var(--rcp-font-size-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.rcp-remove-break:hover {
    background: #ff3742;
    transform: scale(1.1);
}

.rcp-add-break-btn {
    background: var(--rcp-grad);
    color: #ffffff;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(155, 81, 224, 0.25);
    margin-top: 12px;
}

.rcp-add-break-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(155, 81, 224, 0.35);
}

/* Form actions */
.rcp-form-actions {
    display: flex;
    gap: var(--rcp-spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.rcp-calculate-btn,
.rcp-reset-btn {
    padding: var(--rcp-spacing-md) var(--rcp-spacing-xl);
    border: none;
    border-radius: var(--rcp-border-radius);
    font-size: var(--rcp-font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
}

.rcp-calculate-btn {
    background: var(--rcp-grad);
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(155, 81, 224, 0.35);
}

.rcp-calculate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(155, 81, 224, 0.45);
}

.rcp-calculate-btn:disabled {
    background: var(--rcp-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.rcp-reset-btn {
    background: #ffffff;
    color: #111827;
    border: 1px solid rgba(17, 24, 39, 0.15);
}

[data-theme="dark"] .rcp-reset-btn {
    background: var(--rcp-bg-secondary);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.rcp-reset-btn:hover {
    background: #f3f4f6;
    color: #111827;
    border-color: var(--rcp-primary-color);
    transform: translateY(-2px);
}

[data-theme="dark"] .rcp-reset-btn:hover {
    background: var(--rcp-bg-tertiary);
    color: #ffffff;
    border-color: var(--rcp-primary-color);
}

/* Results section */
.rcp-results {
    width: 100%;
}

.rcp-no-results {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 500px;
}

.rcp-placeholder {
    text-align: center;
    color: var(--rcp-text-muted);
}

[data-theme="dark"] .rcp-placeholder {
    color: #b0b0b0;
}

.rcp-placeholder-icon {
    font-size: 4rem;
    margin-bottom: var(--rcp-spacing-lg);
    opacity: 0.5;
}

.rcp-placeholder h4 {
    margin: 0 0 var(--rcp-spacing-md) 0;
    font-size: var(--rcp-font-size-xl);
    color: var(--rcp-text-color);
}

[data-theme="dark"] .rcp-placeholder h4 {
    color: #ffffff;
}

.rcp-placeholder p {
    margin: 0;
    font-size: var(--rcp-font-size-base);
    line-height: 1.6;
    color: var(--rcp-text-muted);
}

[data-theme="dark"] .rcp-placeholder p {
    color: #b0b0b0;
}

.rcp-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--rcp-spacing-lg);
    padding-bottom: var(--rcp-spacing-md);
    border-bottom: 2px solid var(--rcp-border-color);
}

.rcp-results-header h3 {
    margin: 0;
    font-size: var(--rcp-font-size-2xl);
    color: var(--rcp-text-color);
    font-weight: 700;
}

[data-theme="dark"] .rcp-results-header h3 {
    color: #ffffff;
}

.rcp-theme-toggle {
    display: flex;
    align-items: center;
    position: absolute;
    top: 0;
    right: 0;
}

.rcp-theme-btn {
    background: var(--rcp-bg-card);
    border: 2px solid var(--rcp-border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 0;
}

[data-theme="dark"] .rcp-theme-btn {
    background: var(--rcp-bg-secondary);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.rcp-theme-btn:hover {
    background: var(--rcp-primary-color);
    border-color: var(--rcp-primary-color);
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(155, 81, 224, 0.5);
}

.rcp-theme-btn .rcp-theme-icon {
    display: block;
    line-height: 1;
    font-size: 24px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

[data-theme="dark"] .rcp-theme-btn .rcp-theme-icon {
    filter: drop-shadow(0 1px 2px rgba(255, 255, 255, 0.3));
}

/* Result summary */
.rcp-result-summary {
    text-align: center;
    margin-bottom: var(--rcp-spacing-xl);
    padding: var(--rcp-spacing-xl);
    background: var(--rcp-bg-card);
    border-radius: 14px;
    border: 1px solid rgba(17, 24, 39, 0.08);
    box-shadow: 0 10px 28px rgba(17, 24, 39, 0.06);
}

.rcp-total-amount {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.rcp-amount-label {
    font-size: var(--rcp-font-size-lg);
    color: var(--rcp-text-muted);
    margin-bottom: var(--rcp-spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

[data-theme="dark"] .rcp-amount-label {
    color: #b0b0b0;
}

.rcp-amount-value {
    font-size: var(--rcp-font-size-3xl);
    font-weight: 800;
    background: var(--rcp-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Result details */
.rcp-result-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--rcp-spacing-md);
    margin-bottom: var(--rcp-spacing-xl);
}

.rcp-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--rcp-spacing-md);
    background: var(--rcp-bg-secondary);
    border-radius: var(--rcp-border-radius);
    border: 1px solid var(--rcp-border-color);
}

.rcp-detail-label {
    font-size: var(--rcp-font-size-sm);
    color: var(--rcp-text-muted);
    font-weight: 500;
}

.rcp-detail-value {
    font-size: var(--rcp-font-size-base);
    font-weight: 600;
    color: var(--rcp-text-color);
}

/* Chart section */
.rcp-chart-section {
    margin-bottom: var(--rcp-spacing-xl);
}

.rcp-chart-section h4 {
    margin: 0 0 var(--rcp-spacing-lg) 0;
    font-size: var(--rcp-font-size-xl);
    color: var(--rcp-text-color);
    font-weight: 600;
}

[data-theme="dark"] .rcp-chart-section h4 {
    color: #ffffff;
}

.rcp-chart-container {
    background: var(--rcp-bg-secondary);
    border-radius: var(--rcp-border-radius);
    padding: var(--rcp-spacing-lg);
    border: 1px solid var(--rcp-border-color);
    text-align: center;
}

[data-theme="dark"] .rcp-chart-container {
    background: var(--rcp-bg-secondary);
    border-color: rgba(255, 255, 255, 0.1);
}

.rcp-chart-container canvas {
    max-width: 100%;
    height: auto;
}

/* Table section */
.rcp-table-section {
    margin-bottom: var(--rcp-spacing-xl);
}

.rcp-table-section h4 {
    margin: 0 0 var(--rcp-spacing-lg) 0;
    font-size: var(--rcp-font-size-xl);
    color: var(--rcp-text-color);
    font-weight: 600;
}

[data-theme="dark"] .rcp-table-section h4 {
    color: #ffffff;
}

.rcp-table-container {
    overflow-x: auto;
    background: var(--rcp-bg-secondary);
    border-radius: var(--rcp-border-radius);
    border: 1px solid var(--rcp-border-color);
}

.rcp-breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--rcp-font-size-sm);
}

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

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

[data-theme="dark"] .rcp-breakdown-table th {
    background: var(--rcp-bg-tertiary);
    color: #ffffff;
}

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

[data-theme="dark"] .rcp-breakdown-table td {
    color: #ffffff;
}

.rcp-breakdown-table tr:nth-child(even) {
    background: var(--rcp-bg-tertiary);
}

[data-theme="dark"] .rcp-breakdown-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
}

.rcp-breakdown-table tr:hover {
    background: var(--rcp-bg-card);
}

[data-theme="dark"] .rcp-breakdown-table tr:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Result actions */
.rcp-result-actions {
    display: flex;
    gap: var(--rcp-spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.rcp-action-btn {
    padding: var(--rcp-spacing-md) var(--rcp-spacing-lg);
    border: none;
    border-radius: var(--rcp-border-radius);
    font-size: var(--rcp-font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--rcp-spacing-sm);
    min-width: 140px;
}

.rcp-pdf-btn {
    background: linear-gradient(135deg, var(--rcp-danger-color), #ff3742);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.rcp-pdf-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

.rcp-email-btn {
    background: linear-gradient(135deg, var(--rcp-warning-color), #ffa500);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.3);
}

.rcp-email-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 0, 0.4);
    color: #ffffff;
}

.rcp-share-btn {
    background: linear-gradient(135deg, var(--rcp-primary-color), var(--rcp-primary-hover));
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(155, 81, 224, 0.3);
}

.rcp-share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(155, 81, 224, 0.4);
    color: #ffffff;
}

.rcp-send-btn {
    background: var(--rcp-success-color);
    color: #ffffff;
}

.rcp-send-btn:hover {
    background: var(--rcp-success-hover);
    color: #ffffff;
}

.rcp-cancel-btn {
    background: #ffffff;
    color: #111827;
    border: 2px solid rgba(17, 24, 39, 0.15);
}

[data-theme="dark"] .rcp-cancel-btn {
    background: var(--rcp-bg-secondary);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.rcp-cancel-btn:hover {
    background: var(--rcp-bg-secondary);
    color: #111827;
}

[data-theme="dark"] .rcp-cancel-btn:hover {
    background: var(--rcp-bg-tertiary);
    color: #ffffff;
}

/* Modal styles */
.rcp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.rcp-modal-content {
    background: var(--rcp-bg-card);
    border-radius: var(--rcp-border-radius);
    box-shadow: var(--rcp-box-shadow);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--rcp-border-color);
}

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

.rcp-modal-header h3 {
    margin: 0;
    font-size: var(--rcp-font-size-xl);
    color: var(--rcp-text-color);
    font-weight: 600;
}

[data-theme="dark"] .rcp-modal-header h3 {
    color: #ffffff;
}

.rcp-modal-close {
    background: none;
    border: none;
    font-size: var(--rcp-font-size-2xl);
    cursor: pointer;
    color: var(--rcp-text-muted);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

[data-theme="dark"] .rcp-modal-close {
    color: #b0b0b0;
}

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

[data-theme="dark"] .rcp-modal-close:hover {
    background: var(--rcp-bg-tertiary);
    color: #ffffff;
}

.rcp-modal-body {
    padding: var(--rcp-spacing-lg);
}

.rcp-modal-footer {
    display: flex;
    gap: var(--rcp-spacing-md);
    justify-content: flex-end;
    padding: var(--rcp-spacing-lg);
    border-top: 1px solid var(--rcp-border-color);
}

/* Loading states */
.rcp-btn-loading {
    display: none;
}

.rcp-calculate-btn:disabled .rcp-btn-text {
    display: none;
}

.rcp-calculate-btn:disabled .rcp-btn-loading {
    display: inline;
}

/* Responsive design */
@media (max-width: 1024px) {
    .rcp-main-layout {
        grid-template-columns: 1fr;
        gap: var(--rcp-spacing-lg);
    }
    
    .rcp-results-section {
        min-height: auto;
    }
}

@media (max-width: 768px) {
    .rcp-header-content {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .rcp-theme-toggle {
        position: static;
        margin-top: 0;
    }
    
    .rcp-calculator-container {
        padding: var(--rcp-spacing-md);
        margin: var(--rcp-spacing-sm);
        max-width: calc(100vw - 2rem);
        margin-left: auto;
        margin-right: auto;
    }
    
    .rcp-form-grid {
        grid-template-columns: 1fr;
        gap: var(--rcp-spacing-md);
    }
    
    .rcp-form-actions {
        flex-direction: column;
    }
    
    .rcp-calculate-btn,
    .rcp-reset-btn {
        min-width: auto;
        width: 100%;
    }
    
    .rcp-result-actions {
        flex-direction: column;
    }
    
    .rcp-action-btn {
        width: 100%;
    }
    
    .rcp-break-dates {
        flex-direction: column;
        gap: var(--rcp-spacing-sm);
    }
    
    .rcp-date-separator {
        display: none;
    }
    
    .rcp-modal-content {
        width: 95%;
        margin: var(--rcp-spacing-md);
    }
    
    .rcp-modal-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .rcp-calculator-container {
        padding: var(--rcp-spacing-sm);
        margin: 0.5rem;
        max-width: calc(100vw - 1rem);
        border-radius: 8px;
    }
    
    .rcp-header h2 {
        font-size: var(--rcp-font-size-2xl);
    }
    
    .rcp-amount-value {
        font-size: var(--rcp-font-size-2xl);
    }
    
    .rcp-breakdown-table {
        font-size: 0.75rem;
    }
    
    .rcp-breakdown-table th,
    .rcp-breakdown-table td {
        padding: var(--rcp-spacing-sm);
    }
    
    .rcp-form-section,
    .rcp-results-section {
        padding: var(--rcp-spacing-md);
    }
}

/* Print styles */
@media print {
    .rcp-calculator-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .rcp-form-actions,
    .rcp-result-actions,
    .rcp-theme-toggle {
        display: none !important;
    }
    
    .rcp-results {
        border: 2px solid #000;
    }
    
    .rcp-chart-container {
        border: 1px solid #000;
    }
    
    .rcp-breakdown-table {
        border: 1px solid #000;
    }
    
    .rcp-breakdown-table th,
    .rcp-breakdown-table td {
        border: 1px solid #000;
    }
}

/* Accessibility improvements */
.rcp-calculator-container:focus-within {
    outline: 2px solid var(--rcp-primary-color);
    outline-offset: 2px;
}

.rcp-form-group input:focus,
.rcp-form-group select:focus,
.rcp-form-group textarea:focus {
    outline: 2px solid var(--rcp-primary-color);
    outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --rcp-border-color: #ffffff;
        --rcp-text-muted: #ffffff;
    }
    
    [data-theme="light"] {
        --rcp-border-color: #000000;
        --rcp-text-muted: #000000;
    }
}

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