/* Toyota Electric Car Savings Calculator - Refined Professional Design */
/* Matching the exact visual appearance from reference */

/* ========================================
   FONT FACE DECLARATIONS
   ======================================== */

@font-face {
    font-family: 'Toyota Type';
    src: url('fonts/ToyotaType-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Toyota Type';
    src: url('fonts/ToyotaType-Book.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Toyota Type';
    src: url('fonts/ToyotaType-Regular.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Toyota Type';
    src: url('fonts/ToyotaType-Semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Toyota Type';
    src: url('fonts/ToyotaType-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ========================================
   REFINED DESIGN VARIABLES
   ======================================== */

:root {
    /* Toyota Colors */
    --toyota-signature-grey: #282830;
    --toyota-signature-red: #FF0022;
    --toyota-white: #FFFFFF;
    --toyota-grey-1: #4B4B50;
    --toyota-grey-2: #6B6B70;
    --toyota-grey-3: #8B8C90;
    --toyota-grey-4: #ABADB0;
    --toyota-grey-5: #CECFD0;
    --toyota-grey-6: #EFF0F0;
    
    /* Typography */
    --font-family-primary: 'Toyota Type', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Precise Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 40px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Colors for results */
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-neutral: #6b7280;
    
    /* Transitions */
    --transition: all 0.2s ease-in-out;
}

/* ========================================
   BASE STYLES
   ======================================== */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-primary);
    font-weight: 400;
    line-height: 1.5;
    color: var(--toyota-signature-grey);
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.embed-mode {
    padding: var(--space-lg);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--space-xl);
}

/* ========================================
   MAIN CONTAINER
   ======================================== */

.calculator-container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
}

.calculator-card {
    background: var(--toyota-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

/* ========================================
   SECTION STYLING
   ======================================== */

.input-section {
    padding: var(--space-2xl);
    border-bottom: 1px solid #e5e7eb;
}

.results-section {
    padding: var(--space-2xl);
    background: linear-gradient(to bottom, #fafbfc 0%, var(--toyota-white) 100%);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--toyota-signature-grey);
    margin-bottom: var(--space-lg);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--toyota-signature-red);
    border-radius: 1px;
}

/* ========================================
   INPUT GRID SYSTEM
   ======================================== */

.input-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.input-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--toyota-signature-grey);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

/* ========================================
   INPUT FIELD STYLING
   ======================================== */

.toyota-input,
.toyota-select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family-primary);
    font-size: 16px;
    font-weight: 400;
    color: var(--toyota-signature-grey);
    background: var(--toyota-white);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-subtle);
}

.toyota-input:focus,
.toyota-select:focus {
    outline: none;
    border-color: var(--toyota-signature-red);
    box-shadow: 0 0 0 3px rgba(255, 0, 34, 0.1);
}

.toyota-input:hover:not(:focus),
.toyota-select:hover:not(:focus) {
    border-color: #9ca3af;
}

.toyota-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b7280'%3e%3cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 48px;
}

.input-unit {
    position: absolute;
    right: 16px;
    color: var(--toyota-grey-2);
    font-size: 14px;
    font-weight: 500;
    pointer-events: none;
    background: var(--toyota-white);
    padding: 0 4px;
}

/* ========================================
   CHECKBOX STYLING
   ======================================== */

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    background: var(--toyota-white);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-subtle);
}

.checkbox-wrapper:hover {
    border-color: #9ca3af;
}

.checkbox-wrapper:has(.toyota-checkbox:checked) {
    border-color: var(--toyota-signature-red);
    background: rgba(255, 0, 34, 0.02);
}

.toyota-checkbox {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid #d1d5db;
    border-radius: var(--radius-sm);
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.toyota-checkbox:checked {
    background-color: var(--toyota-signature-red);
    border-color: var(--toyota-signature-red);
}

.toyota-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--toyota-white);
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
}

.checkbox-text {
    font-size: 14px;
    font-weight: 400;
    color: var(--toyota-signature-grey);
    cursor: pointer;
}

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

.results-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

/* Savings Summary Card */
.savings-summary-card {
    background: var(--toyota-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.savings-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--toyota-signature-grey);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.savings-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.savings-item {
    text-align: center;
    padding: var(--space-lg);
    background: #f8f9fa;
    border-radius: var(--radius-md);
    border: 1px solid #e5e7eb;
}

.savings-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--toyota-grey-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.savings-amount {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-success);
    line-height: 1;
}

.monthly-amount {
    font-size: 24px;
}

/* Comparison Row */
.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.result-card {
    background: var(--toyota-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.result-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--toyota-signature-grey);
    margin-bottom: var(--space-lg);
}

.cost-display {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.cost-item.primary {
    border-top: 1px solid #e5e7eb;
    padding-top: var(--space-md);
    margin-top: var(--space-sm);
}

.cost-label {
    font-size: 14px;
    font-weight: 400;
    color: var(--toyota-grey-2);
}

.cost-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--toyota-signature-grey);
}

.cost-value.highlight {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-danger);
}

/* ========================================
   INFO ICONS AND TOOLTIPS
   ======================================== */

.info-icon,
.info-icon-html {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--space-sm);
    color: var(--toyota-grey-3);
    cursor: help;
    position: relative;
    transition: var(--transition);
}

.info-icon:hover,
.info-icon-html:hover {
    color: var(--toyota-signature-red);
}

.info-icon svg,
.info-icon-html svg {
    width: 16px;
    height: 16px;
}

/* Tooltip */
.html-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--toyota-signature-grey);
    color: var(--toyota-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 12px;
    line-height: 1.4;
    white-space: normal;
    width: 300px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    margin-bottom: 8px;
    pointer-events: none;
}

.html-tooltip.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.html-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--toyota-signature-grey);
}

.html-tooltip a {
    color: #60a5fa;
    text-decoration: underline;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-weight: 500;
}

.html-tooltip a:hover {
    color: #93c5fd;
    text-decoration: none;
}

.html-tooltip a svg {
    width: 12px;
    height: 12px;
    stroke-width: 2;
    margin-left: 2px;
}

.info-icon::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--toyota-signature-grey);
    color: var(--toyota-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: 12px;
    line-height: 1.4;
    white-space: normal;
    width: 280px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    margin-bottom: 8px;
}

.info-icon::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--toyota-signature-grey);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    margin-bottom: 2px;
}

.info-icon:hover::before,
.info-icon:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   SAVINGS STATE INDICATORS
   ======================================== */

.positive-savings .savings-amount,
.positive-savings .monthly-amount {
    color: var(--color-success);
}

.negative-savings .savings-amount,
.negative-savings .monthly-amount {
    color: var(--color-danger);
}

.neutral-savings .savings-amount,
.neutral-savings .monthly-amount {
    color: var(--color-neutral);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.positive-savings .savings-amount,
.positive-savings .monthly-amount {
    animation: pulse 2s ease-in-out;
}

.negative-savings .savings-amount,
.negative-savings .monthly-amount {
    animation: pulse 2s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
    20%, 40%, 60%, 80% { transform: translateX(3px); }
}

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

/* Tablet */
@media (max-width: 768px) {
    .embed-mode {
        padding: var(--space-md);
        padding-top: var(--space-lg);
    }
    
    .input-section,
    .results-section {
        padding: var(--space-lg);
    }
    
    .input-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .savings-display {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .savings-amount {
        font-size: 24px;
    }
    
    .monthly-amount {
        font-size: 20px;
    }
    
    .toyota-input,
    .toyota-select {
        font-size: 16px;
        padding: 12px 16px;
    }
    
    .toyota-select {
        padding-right: 44px;
    }
    
    .input-unit {
        right: 16px;
        font-size: 14px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .embed-mode {
        padding: var(--space-sm);
        padding-top: var(--space-md);
    }
    
    .input-section,
    .results-section {
        padding: var(--space-md);
    }
    
    .result-card,
    .savings-summary-card {
        padding: var(--space-lg);
    }
    
    .savings-amount {
        font-size: 22px;
    }
    
    .monthly-amount {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 16px;
    }
    
    .cost-value.highlight {
        font-size: 16px;
    }
    
    .html-tooltip,
    .info-icon::before {
        width: 240px;
        font-size: 11px;
    }
}

/* Large screens */
@media (min-width: 1200px) {
    .calculator-container {
        max-width: 1000px;
    }
    
    .input-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .input-group:has(.checkbox-wrapper) {
        grid-column: span 2;
    }
}

/* ========================================
   ERROR STATES
   ======================================== */

.toyota-input.invalid,
.toyota-select.invalid {
    border-color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.05);
}

.toyota-input.invalid:focus,
.toyota-select.invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.checkbox-wrapper.invalid,
.input-wrapper.invalid {
    border-color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.05);
}

.input-label.error {
    color: var(--color-danger);
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

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

.toyota-input:focus-visible,
.toyota-select:focus-visible,
.toyota-checkbox:focus-visible {
    outline: 2px solid var(--toyota-signature-red);
    outline-offset: 2px;
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .calculator-card {
        box-shadow: none !important;
        border: 1px solid #d1d5db !important;
    }
    
    .toyota-input,
    .toyota-select {
        border: 1px solid #d1d5db !important;
        box-shadow: none !important;
    }
    
    .embed-mode {
        background: white !important;
        padding: 0 !important;
    }
    
    .info-icon,
    .info-icon-html {
        display: none !important;
    }
}

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */

@media (prefers-contrast: high) {
    .toyota-input,
    .toyota-select,
    .checkbox-wrapper {
        border-width: 2px;
    }
    
    .result-card,
    .savings-summary-card {
        border-width: 2px;
    }
    
    .savings-amount,
    .monthly-amount {
        font-weight: 800;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */

.calculator-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.calculator-card.loading {
    opacity: 0;
    transform: translateY(20px);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

/* ========================================
   EDIT ICON STYLING
   ======================================== */

.edit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--space-sm);
    color: var(--toyota-grey-3);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    padding: 2px;
    border-radius: var(--radius-sm);
}

.edit-icon:hover {
    color: var(--toyota-signature-red);
    background: rgba(255, 0, 34, 0.05);
}

.edit-icon:active {
    transform: scale(0.95);
}

.edit-icon svg {
    width: 14px;
    height: 14px;
}

/* Edit icon tooltip */
.edit-icon::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--toyota-signature-grey);
    color: var(--toyota-white);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: 11px;
    line-height: 1.4;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    margin-bottom: 6px;
    pointer-events: none;
}

.edit-icon::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--toyota-signature-grey);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    margin-bottom: 1px;
}

.edit-icon:hover::before,
.edit-icon:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Edit modal styling */
.edit-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.edit-modal.show {
    opacity: 1;
    visibility: visible;
}

.edit-modal-content {
    background: var(--toyota-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
    margin: var(--space-lg);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.edit-modal.show .edit-modal-content {
    transform: scale(1) translateY(0);
}

.edit-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--toyota-signature-grey);
    margin-bottom: var(--space-lg);
}

.edit-modal-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family-primary);
    font-size: 16px;
    color: var(--toyota-signature-grey);
    background: var(--toyota-white);
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    transition: var(--transition);
}

.edit-modal-input:focus {
    outline: none;
    border-color: var(--toyota-signature-red);
    box-shadow: 0 0 0 3px rgba(255, 0, 34, 0.1);
}

.edit-modal-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

.edit-modal-button {
    padding: 10px 20px;
    font-family: var(--font-family-primary);
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.edit-modal-button.primary {
    background: var(--toyota-signature-red);
    color: var(--toyota-white);
}

.edit-modal-button.primary:hover {
    background: #e6001e;
}

.edit-modal-button.secondary {
    background: #f3f4f6;
    color: var(--toyota-signature-grey);
}

.edit-modal-button.secondary:hover {
    background: #e5e7eb;
}

/* Mobile responsive edit modal */
@media (max-width: 480px) {
    .edit-modal-content {
        margin: var(--space-md);
        padding: var(--space-lg);
    }
    
    .edit-modal-title {
        font-size: 16px;
    }
    
    .edit-modal-input {
        font-size: 16px;
        padding: 12px 14px;
    }
    
    .edit-modal-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .edit-modal-button {
        width: 100%;
        padding: 12px;
    }
    
    .edit-icon::before {
        white-space: normal;
        width: 200px;
        font-size: 10px;
    }
}