/**
 * Stockland Installment Calculator - Design System
 * Modern Minimal UI with RTL Support
 */

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
    /* Background Colors - Clean & Light */
    --sic-bg-primary: #FFFFFF;
    --sic-bg-secondary: #F8FAFC;
    --sic-bg-tertiary: #F1F5F9;
    --sic-bg-surface: #FFFFFF;
    --sic-bg-elevated: #FFFFFF;

    /* Border Colors */
    --sic-border-light: #E2E8F0;
    --sic-border-medium: #CBD5E1;
    --sic-border-dark: #94A3B8;

    /* Accent Colors */
    --sic-primary: #2563EB;
    --sic-primary-light: #3B82F6;
    --sic-primary-dark: #1D4ED8;
    --sic-primary-bg: #EFF6FF;
    --sic-primary-gradient: linear-gradient(135deg, #2563EB 0%, #14B8A6 100%);

    /* Secondary Colors */
    --sic-secondary: #14B8A6;
    --sic-secondary-light: #2DD4BF;
    --sic-secondary-bg: #F0FDFA;

    /* Semantic Colors */
    --sic-success: #059669;
    --sic-success-light: #ECFDF5;
    --sic-success-text: #047857;
    
    --sic-warning: #F59E0B;
    --sic-warning-light: #FFFBEB;
    --sic-warning-text: #B45309;
    
    --sic-error: #EF4444;
    --sic-error-light: #FEF2F2;
    --sic-error-text: #B91C1C;
    
    --sic-info: #2563EB;
    --sic-info-light: #EFF6FF;
    --sic-info-text: #1D4ED8;

    /* Text Colors */
    --sic-text-primary: #0F172A;
    --sic-text-secondary: #475569;
    --sic-text-tertiary: #94A3B8;
    --sic-text-disabled: #CBD5E1;
    --sic-text-inverse: #FFFFFF;

    /* Typography */
    --sic-font-display: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --sic-font-body: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --sic-font-mono: 'Vazirmatn', 'SF Mono', 'JetBrains Mono', monospace;

    /* Font Sizes */
    --sic-font-h1: 28px;
    --sic-font-h2: 22px;
    --sic-font-h3: 18px;
    --sic-font-body: 15px;
    --sic-font-small: 14px;
    --sic-font-caption: 12px;
    --sic-font-label: 13px;

    /* Spacing */
    --sic-space-xxs: 4px;
    --sic-space-xs: 8px;
    --sic-space-sm: 12px;
    --sic-space-md: 16px;
    --sic-space-lg: 24px;
    --sic-space-xl: 32px;
    --sic-space-xxl: 48px;

    /* Border Radius */
    --sic-radius-sm: 6px;
    --sic-radius-md: 8px;
    --sic-radius-lg: 12px;
    --sic-radius-xl: 16px;
    --sic-radius-pill: 9999px;
    --sic-radius-card: 12px;
    --sic-radius-button: 8px;
    --sic-radius-input: 8px;

    /* Shadows - Subtle & Modern */
    --sic-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --sic-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --sic-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sic-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sic-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --sic-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08);
    --sic-shadow-floating: 0 10px 40px rgba(0, 0, 0, 0.12);

    /* Focus Ring */
    --sic-focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --sic-transition-fast: 0.15s ease;
    --sic-transition-normal: 0.2s ease;
    --sic-transition-slow: 0.3s ease;

    /* Layout */
    --sic-max-width: 640px;
    --sic-container-padding: 24px;

    /* Z-Index */
    --sic-z-dropdown: 100000;
    --sic-z-modal: 999999;
    --sic-z-tooltip: 600;
}

/* ============================================
   Base Styles
   ============================================ */
.stockland-calculator {
    font-family: var(--sic-font-body);
    font-size: var(--sic-font-body);
    line-height: 1.6;
    color: var(--sic-text-primary);
    direction: rtl;
    text-align: right;
    background: var(--sic-bg-primary);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-xl);
    padding: var(--sic-space-lg);
    width: 100%;
    max-width: var(--sic-max-width);
    margin: 0 auto;
    isolation: isolate;
    overflow: visible;
    box-shadow: var(--sic-shadow-lg);
    position: relative;
}

.stockland-calculator *,
.stockland-calculator *::before,
.stockland-calculator *::after {
    box-sizing: border-box;
    letter-spacing: 0;
}

.stockland-calculator button,
.stockland-calculator input,
.stockland-calculator textarea,
.stockland-calculator select {
    font: inherit;
    letter-spacing: 0;
    max-width: 100%;
}

.stockland-calculator button {
    line-height: 1.5;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: none;
    text-shadow: none;
}

.stockland-calculator img {
    max-width: 100%;
    height: auto;
}

.stockland-calculator svg {
    vertical-align: middle;
    flex-shrink: 0;
}

.stockland-calculator a {
    color: inherit;
}

.stockland-calculator p,
.stockland-calculator h1,
.stockland-calculator h2,
.stockland-calculator h3,
.stockland-calculator h4,
.stockland-calculator ul,
.stockland-calculator ol {
    letter-spacing: 0;
}

.stockland-calculator [class^="sic-"],
.stockland-calculator [class*=" sic-"] {
    min-width: 0;
}

/* ============================================
   Animations
   ============================================ */
@keyframes sic-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sic-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes sic-scaleIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes sic-slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes sic-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes sic-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ============================================
   Typography
   ============================================ */
.sic-title {
    font-size: var(--sic-font-h2);
    font-weight: 600;
    color: var(--sic-text-primary);
    margin: 0 0 var(--sic-space-xs) 0;
    line-height: 1.3;
}

.sic-subtitle {
    font-size: var(--sic-font-small);
    color: var(--sic-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.sic-label {
    font-size: var(--sic-font-label);
    font-weight: 500;
    color: var(--sic-text-secondary);
    margin-bottom: var(--sic-space-xs);
    display: block;
}

/* ============================================
   Card Component
   ============================================ */
.sic-card {
    background: var(--sic-bg-surface);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-card);
    padding: var(--sic-space-lg);
    transition: all var(--sic-transition-normal);
}

.sic-card:hover {
    border-color: var(--sic-border-medium);
    box-shadow: var(--sic-shadow-sm);
}

.sic-card--elevated {
    box-shadow: var(--sic-shadow-md);
    border-color: transparent;
}

/* ============================================
   Input Component
   ============================================ */
.sic-input-wrapper {
    position: relative;
    margin-bottom: var(--sic-space-md);
    width: 100%;
}

.sic-input {
    width: 100%;
    background: var(--sic-bg-primary);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-input);
    padding: 12px 16px;
    font-size: var(--sic-font-body);
    font-family: var(--sic-font-body);
    color: var(--sic-text-primary);
    outline: none;
    transition: all var(--sic-transition-fast);
    box-shadow: none;
    min-height: 46px;
}

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

.sic-input:hover {
    border-color: var(--sic-border-medium);
}

.sic-input:focus {
    border-color: var(--sic-primary);
    box-shadow: var(--sic-focus-ring);
}

.sic-input:disabled {
    background: var(--sic-bg-tertiary);
    color: var(--sic-text-disabled);
    cursor: not-allowed;
}

/* Input with icon */
.sic-input--with-icon {
    padding-left: 44px;
}

.sic-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sic-text-tertiary);
    pointer-events: none;
}

/* ============================================
   Button Component
   ============================================ */
.sic-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sic-space-xs);
    padding: 10px 20px;
    border: none;
    border-radius: var(--sic-radius-button);
    font-size: var(--sic-font-small);
    font-weight: 500;
    font-family: var(--sic-font-body);
    cursor: pointer;
    transition: all var(--sic-transition-fast);
    outline: none;
    text-decoration: none;
    white-space: nowrap;
    min-height: 42px;
    line-height: 1.5;
}

.sic-button svg {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    pointer-events: none;
}

.sic-button--primary {
    background: var(--sic-primary);
    color: var(--sic-text-inverse);
}

.sic-button--primary:hover {
    background: var(--sic-primary-dark);
}

.sic-button--primary:focus {
    box-shadow: var(--sic-focus-ring);
}

.sic-button--primary:active {
    transform: scale(0.98);
}

.sic-button--secondary {
    background: var(--sic-bg-tertiary);
    color: var(--sic-text-primary);
}

.sic-button--secondary:hover {
    background: var(--sic-border-light);
}

.sic-button--success {
    background: var(--sic-success);
    color: var(--sic-text-inverse);
}

.sic-button--success:hover {
    background: #059669;
}

.sic-button--ghost {
    background: transparent;
    color: var(--sic-text-secondary);
}

.sic-button--ghost:hover {
    background: var(--sic-bg-tertiary);
    color: var(--sic-text-primary);
}

.sic-button--full {
    width: 100%;
}

.sic-button--lg {
    padding: 14px 28px;
    font-size: var(--sic-font-body);
}

.sic-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   Installment Option Buttons
   ============================================ */
.sic-installment-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sic-space-xs);
    margin-bottom: var(--sic-space-lg);
}

@media (max-width: 480px) {
    .sic-installment-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

.sic-installment-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 58px;
    padding: var(--sic-space-sm) var(--sic-space-md);
    background: var(--sic-bg-primary);
    border: 1.5px solid var(--sic-border-light);
    border-radius: var(--sic-radius-md);
    font-size: var(--sic-font-body);
    font-weight: 600;
    font-family: var(--sic-font-body);
    color: var(--sic-text-secondary);
    cursor: pointer;
    transition: all var(--sic-transition-fast);
    text-align: center;
    line-height: 1.35;
}

.sic-installment-option:hover {
    border-color: var(--sic-primary);
    color: var(--sic-primary);
    background: var(--sic-primary-bg);
}

.stockland-calculator button.sic-installment-option.sic-installment-option--active,
.stockland-calculator button.sic-installment-option.is-active,
.stockland-calculator button.sic-installment-option[aria-pressed="true"],
.stockland-calculator .sic-installment-options > .sic-installment-option.sic-installment-option--active,
.stockland-calculator .sic-installment-options > .sic-installment-option.is-active,
.stockland-calculator .sic-installment-options > .sic-installment-option[aria-pressed="true"] {
    background: var(--sic-primary, #2563EB) !important;
    background-color: var(--sic-primary, #2563EB) !important;
    border-color: var(--sic-primary, #2563EB) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18), 0 10px 22px rgba(37, 99, 235, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.24) !important;
    transform: translateY(-1px);
}

.stockland-calculator button.sic-installment-option.sic-installment-option--active:hover,
.stockland-calculator button.sic-installment-option.is-active:hover,
.stockland-calculator button.sic-installment-option[aria-pressed="true"]:hover,
.stockland-calculator .sic-installment-options > .sic-installment-option.sic-installment-option--active:hover,
.stockland-calculator .sic-installment-options > .sic-installment-option.is-active:hover,
.stockland-calculator .sic-installment-options > .sic-installment-option[aria-pressed="true"]:hover {
    background: var(--sic-primary-dark, #1d4ed8) !important;
    background-color: var(--sic-primary-dark, #1d4ed8) !important;
    border-color: var(--sic-primary-dark, #1d4ed8) !important;
    color: #ffffff !important;
}

.sic-installment-option span {
    display: block;
    font-size: var(--sic-font-caption);
    font-weight: 400;
    margin-top: 2px;
    opacity: 0.8;
}

.stockland-calculator button.sic-installment-option.is-active span,
.stockland-calculator button.sic-installment-option[aria-pressed="true"] span {
    color: #ffffff !important;
    opacity: 0.95;
}

.sic-down-payment-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sic-space-xs);
    margin-bottom: var(--sic-space-lg);
}

.sic-down-payment-option {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: var(--sic-space-sm) var(--sic-space-md);
    background: var(--sic-bg-primary);
    border: 1.5px solid var(--sic-border-light);
    border-radius: var(--sic-radius-md);
    color: var(--sic-text-secondary);
    cursor: pointer;
    font-size: var(--sic-font-body);
    font-weight: 700;
    font-family: var(--sic-font-body);
    transition: all var(--sic-transition-fast);
    line-height: 1.35;
}

.sic-down-payment-option:hover {
    border-color: var(--sic-primary);
    color: var(--sic-primary);
    background: var(--sic-primary-bg);
}

.stockland-calculator button.sic-down-payment-option.sic-down-payment-option--active,
.stockland-calculator button.sic-down-payment-option.is-active,
.stockland-calculator button.sic-down-payment-option[aria-pressed="true"],
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option.sic-down-payment-option--active,
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option.is-active,
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option[aria-pressed="true"] {
    background: var(--sic-primary, #2563EB) !important;
    background-color: var(--sic-primary, #2563EB) !important;
    border-color: var(--sic-primary, #2563EB) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18), 0 10px 22px rgba(37, 99, 235, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.24) !important;
    transform: translateY(-1px);
}

.stockland-calculator button.sic-down-payment-option.sic-down-payment-option--active:hover,
.stockland-calculator button.sic-down-payment-option.is-active:hover,
.stockland-calculator button.sic-down-payment-option[aria-pressed="true"]:hover,
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option.sic-down-payment-option--active:hover,
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option.is-active:hover,
.stockland-calculator .sic-down-payment-options > .sic-down-payment-option[aria-pressed="true"]:hover {
    background: var(--sic-primary-dark, #1d4ed8) !important;
    background-color: var(--sic-primary-dark, #1d4ed8) !important;
    border-color: var(--sic-primary-dark, #1d4ed8) !important;
    color: #ffffff !important;
}

@media (max-width: 360px) {
    .sic-down-payment-options {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Product Search
   ============================================ */
.sic-search-wrapper {
    position: relative;
    width: 100%;
}

.sic-search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--sic-bg-surface);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-lg);
    box-shadow: var(--sic-shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: var(--sic-z-dropdown);
    display: none;
    animation: sic-slideDown 0.15s ease-out;
}

.sic-search-results--visible {
    display: block;
}

.sic-search-item {
    display: flex;
    align-items: center;
    gap: var(--sic-space-sm);
    padding: var(--sic-space-sm);
    cursor: pointer;
    transition: background var(--sic-transition-fast);
    border-bottom: 1px solid var(--sic-border-light);
    min-width: 0;
}

.sic-search-item:last-child {
    border-bottom: none;
}

.sic-search-item:hover {
    background: var(--sic-bg-secondary);
}

.sic-search-item--selected {
    background: var(--sic-primary-bg);
}

.sic-search-item--already-selected {
    opacity: 0.6;
    cursor: not-allowed;
}

.sic-search-item--already-selected:hover {
    background: var(--sic-bg-secondary);
}

.sic-search-item-badge {
    font-size: var(--sic-font-caption);
    padding: 2px 8px;
    background: var(--sic-success);
    color: white;
    border-radius: var(--sic-radius-sm);
    font-weight: 500;
}

.sic-search-item-image {
    width: 48px;
    height: 48px;
    border-radius: var(--sic-radius-sm);
    object-fit: cover;
    background: var(--sic-bg-tertiary);
    flex-shrink: 0;
}

.sic-search-item-info {
    flex: 1;
    min-width: 0;
}

.sic-search-item-title {
    font-size: var(--sic-font-small);
    font-weight: 500;
    color: var(--sic-text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sic-search-item-price {
    font-size: var(--sic-font-small);
    color: var(--sic-primary);
    font-weight: 600;
}

.sic-product-variation-meta {
    display: block;
    color: var(--sic-text-tertiary);
    font-size: var(--sic-font-caption);
    line-height: 1.55;
    margin: 1px 0 3px;
    overflow-wrap: anywhere;
}

.sic-search-item-stock {
    font-size: var(--sic-font-caption);
    color: var(--sic-success);
    flex-shrink: 0;
}

.sic-search-item-stock--out {
    color: var(--sic-error);
}

.sic-search-loading,
.sic-search-empty {
    padding: var(--sic-space-lg);
    text-align: center;
    color: var(--sic-text-tertiary);
    font-size: var(--sic-font-small);
}

.sic-search-loading::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--sic-border-light);
    border-top-color: var(--sic-primary);
    border-radius: 50%;
    margin-left: var(--sic-space-xs);
    animation: sic-spin 0.8s linear infinite;
    vertical-align: middle;
}

/* Selected Products List */
.sic-selected-product {
    margin-bottom: var(--sic-space-md);
    width: 100%;
}

.sic-selected-products-list {
    display: flex;
    flex-direction: column;
    gap: var(--sic-space-xs);
}

.sic-selected-product-item {
    display: flex;
    align-items: center;
    gap: var(--sic-space-sm);
    background: var(--sic-bg-secondary);
    border: 1px solid var(--sic-border-light);
    padding: var(--sic-space-sm) var(--sic-space-md);
    border-radius: var(--sic-radius-md);
    animation: sic-fadeIn 0.2s ease-out;
    transition: all var(--sic-transition-fast);
}

.sic-selected-product-item:hover {
    border-color: var(--sic-border-medium);
    box-shadow: var(--sic-shadow-xs);
}

.sic-selected-product-image {
    width: 48px;
    height: 48px;
    border-radius: var(--sic-radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.sic-selected-product-info {
    flex: 1;
    min-width: 0;
}

.sic-selected-product-title {
    font-size: var(--sic-font-small);
    font-weight: 500;
    color: var(--sic-text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sic-selected-product-price {
    font-size: var(--sic-font-body);
    font-weight: 600;
    color: var(--sic-primary);
    overflow-wrap: anywhere;
}

.sic-product-remove-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: var(--sic-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sic-text-tertiary);
    transition: all var(--sic-transition-fast);
    flex-shrink: 0;
    padding: 0;
}

.sic-product-remove-btn svg {
    width: 16px;
    height: 16px;
    display: block;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    pointer-events: none;
}

.sic-product-remove-btn:hover {
    background: var(--sic-error-light);
    color: var(--sic-error);
}

.sic-product-remove-btn:hover svg {
    stroke: currentColor;
}

/* ============================================
   Warning/Alert Box
   ============================================ */
.sic-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--sic-space-sm);
    padding: var(--sic-space-sm) var(--sic-space-md);
    border-radius: var(--sic-radius-md);
    font-size: var(--sic-font-small);
    line-height: 1.5;
    margin-bottom: var(--sic-space-md);
}

.sic-alert--warning {
    background: var(--sic-warning-light);
    color: var(--sic-warning-text);
}

.sic-alert--info {
    background: var(--sic-info-light);
    color: var(--sic-info-text);
}

.sic-alert--success {
    background: var(--sic-success-light);
    color: var(--sic-success-text);
}

.sic-alert--error {
    background: var(--sic-error-light);
    color: var(--sic-error-text);
}

.sic-alert-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

/* ============================================
   Terms & Conditions
   ============================================ */
.sic-terms {
    margin-top: var(--sic-space-lg);
    margin-bottom: var(--sic-space-lg);
}

.sic-terms-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--sic-bg-secondary);
    border: 1px solid var(--sic-border-light);
    padding: var(--sic-space-sm) var(--sic-space-md);
    border-radius: var(--sic-radius-md);
    cursor: pointer;
    font-size: var(--sic-font-small);
    font-weight: 500;
    font-family: var(--sic-font-body);
    color: var(--sic-text-primary);
    line-height: 1.5;
    transition: all var(--sic-transition-fast);
}

.sic-terms-toggle:hover {
    background: var(--sic-bg-tertiary);
    border-color: var(--sic-border-medium);
}

.sic-terms-toggle-icon {
    width: 18px;
    height: 18px;
    transition: transform var(--sic-transition-fast);
}

.sic-terms-toggle--open .sic-terms-toggle-icon {
    transform: rotate(180deg);
}

.sic-terms-content {
    display: none;
    padding: var(--sic-space-md);
    background: var(--sic-bg-secondary);
    border: 1px solid var(--sic-border-light);
    border-top: none;
    border-radius: 0 0 var(--sic-radius-md) var(--sic-radius-md);
    font-size: var(--sic-font-small);
    color: var(--sic-text-secondary);
    line-height: 1.7;
    animation: sic-fadeIn 0.2s ease-out;
}

.sic-terms-content--visible {
    display: block;
}

.sic-terms-content ul {
    margin: 0;
    padding-right: var(--sic-space-lg);
}

.sic-terms-content li {
    margin-bottom: var(--sic-space-xs);
}

/* Checkbox */
.sic-checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--sic-space-sm);
    cursor: pointer;
    margin-top: var(--sic-space-md);
}

.sic-checkbox {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: var(--sic-bg-primary);
    border: 1.5px solid var(--sic-border-medium);
    border-radius: 4px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    transition: all var(--sic-transition-fast);
}

.sic-checkbox:hover {
    border-color: var(--sic-primary);
}

.sic-checkbox:checked {
    background: var(--sic-primary);
    border-color: var(--sic-primary);
}

.sic-checkbox:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    right: 2px;
    width: 10px;
    height: 5px;
    border: 2px solid var(--sic-text-inverse);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
}

.sic-checkbox:focus {
    box-shadow: var(--sic-focus-ring);
}

.sic-checkbox-label {
    font-size: var(--sic-font-small);
    color: var(--sic-text-secondary);
    line-height: 1.4;
}

/* ============================================
   Contact Modal
   ============================================ */
.sic-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--sic-z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--sic-transition-normal);
    padding: var(--sic-space-md);
}

.sic-modal-overlay--visible {
    opacity: 1;
    visibility: visible;
}

.sic-modal {
    background: var(--sic-bg-surface);
    border-radius: var(--sic-radius-xl);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--sic-shadow-xl);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--sic-transition-normal);
}

.sic-modal-overlay--visible .sic-modal {
    transform: scale(1) translateY(0);
}

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

.sic-modal-title {
    font-size: var(--sic-font-h3);
    font-weight: 600;
    color: var(--sic-text-primary);
    margin: 0;
}

.sic-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--sic-bg-tertiary);
    border-radius: var(--sic-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sic-text-secondary);
    transition: all var(--sic-transition-fast);
    padding: 0;
}

.sic-modal-close svg {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
    pointer-events: none;
}

.sic-modal-close:hover {
    background: var(--sic-error-light);
    color: var(--sic-error);
}

.sic-modal-close:hover svg {
    stroke: currentColor;
}

.sic-modal-body {
    padding: var(--sic-space-lg);
}

/* Contact Options */
.sic-contact-options {
    display: flex;
    flex-direction: column;
    gap: var(--sic-space-xs);
    margin-bottom: var(--sic-space-lg);
}

.sic-contact-option {
    display: flex;
    align-items: center;
    gap: var(--sic-space-sm);
    padding: var(--sic-space-sm) var(--sic-space-md);
    background: var(--sic-bg-secondary);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--sic-transition-fast);
    color: var(--sic-text-primary);
    font-family: var(--sic-font-body);
    line-height: 1.5;
}

.sic-contact-option:hover {
    background: var(--sic-bg-tertiary);
    border-color: var(--sic-border-medium);
}

.sic-contact-option-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--sic-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sic-text-inverse);
}

.sic-contact-option-icon--phone {
    background: var(--sic-primary);
}

.sic-contact-option-icon--whatsapp {
    background: #25D366;
}

.sic-contact-option-icon--form {
    background: var(--sic-text-secondary);
}

.sic-contact-option-text {
    font-size: var(--sic-font-body);
    font-weight: 500;
    color: var(--sic-text-primary);
}

/* Form Fields */
.sic-form-group {
    margin-bottom: var(--sic-space-md);
}

.sic-form-label {
    display: block;
    font-size: var(--sic-font-small);
    font-weight: 500;
    color: var(--sic-text-secondary);
    margin-bottom: var(--sic-space-xs);
}

.sic-form-label--required::after {
    content: ' *';
    color: var(--sic-error);
}

.sic-textarea {
    width: 100%;
    min-height: 80px;
    background: var(--sic-bg-primary);
    border: 1px solid var(--sic-border-light);
    border-radius: var(--sic-radius-input);
    padding: 12px 16px;
    font-size: var(--sic-font-body);
    font-family: var(--sic-font-body);
    color: var(--sic-text-primary);
    outline: none;
    resize: vertical;
    transition: all var(--sic-transition-fast);
}

.sic-textarea:hover {
    border-color: var(--sic-border-medium);
}

.sic-textarea:focus {
    border-color: var(--sic-primary);
    box-shadow: var(--sic-focus-ring);
}

/* ============================================
   Loading States
   ============================================ */
.sic-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sic-space-xl);
}

.sic-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--sic-border-light);
    border-top-color: var(--sic-primary);
    border-radius: 50%;
    animation: sic-spin 0.8s linear infinite;
}

/* ============================================
   Status Badges
   ============================================ */
.sic-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--sic-radius-sm);
    font-size: var(--sic-font-caption);
    font-weight: 500;
}

.sic-badge--pending {
    background: var(--sic-warning-light);
    color: var(--sic-warning-text);
}

.sic-badge--success {
    background: var(--sic-success-light);
    color: var(--sic-success-text);
}

.sic-badge--info {
    background: var(--sic-info-light);
    color: var(--sic-info-text);
}

/* ============================================
   Utility Classes
   ============================================ */
.sic-hidden {
    display: none !important;
}

.sic-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sic-text-center {
    text-align: center;
}

.sic-mt-sm { margin-top: var(--sic-space-sm); }
.sic-mt-md { margin-top: var(--sic-space-md); }
.sic-mt-lg { margin-top: var(--sic-space-lg); }
.sic-mb-sm { margin-bottom: var(--sic-space-sm); }
.sic-mb-md { margin-bottom: var(--sic-space-md); }
.sic-mb-lg { margin-bottom: var(--sic-space-lg); }

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 768px) {
    .stockland-calculator {
        padding: var(--sic-space-md);
        border-radius: var(--sic-radius-lg);
    }

    .sic-modal {
        max-height: 85vh;
    }
}

@media (max-width: 480px) {
    :root {
        --sic-font-h2: 20px;
        --sic-font-h3: 16px;
    }

    .sic-selected-product {
        flex-direction: column;
        text-align: center;
    }

    .sic-selected-product-remove {
        position: absolute;
        top: var(--sic-space-xs);
        left: var(--sic-space-xs);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .stockland-calculator {
        box-shadow: none;
        border: 1px solid var(--sic-border-medium);
    }

    .sic-button,
    .sic-terms-toggle,
    .sic-selected-product-remove {
        display: none;
    }
}