/* ============================================
   VANLIFE BUDGET SIMULATOR - MODERN UI
   ============================================ */

:root {
    --van-primary: #E8985E;
    --van-primary-dark: #D4804A;
    --van-primary-light: #F5C9A8;
    --van-secondary: #2C5F2D;
    --van-secondary-light: #4A8B4C;
    --van-accent: #F2E8DC;
    --van-dark: #1A1A2E;
    --van-text: #2D2D3A;
    --van-text-light: #6B7280;
    --van-bg: #FEFCF9;
    --van-card-bg: #FFFFFF;
    --van-border: #E5E1DB;
    --van-success: #10B981;
    --van-shadow: 0 4px 20px rgba(0,0,0,0.06);
    --van-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --van-radius: 16px;
    --van-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
.vanlife-simulator * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.vanlife-simulator {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--van-text);
    background: var(--van-bg);
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 40px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   HEADER
   ============================================ */
.van-header {
    text-align: center;
    padding: 50px 20px 40px;
    position: relative;
}

.van-header-icon {
    font-size: 56px;
    margin-bottom: 12px;
    display: block;
    animation: vanBounce 2s ease-in-out infinite;
}

@keyframes vanBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.van-header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--van-dark);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.van-header p {
    font-size: 16px;
    color: var(--van-text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.van-progress-container {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(254, 252, 249, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 0 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--van-border);
}

.van-progress-steps {
    display: flex;
    justify-content: center;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.van-progress-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--van-text-light);
    background: var(--van-card-bg);
    border: 2px solid var(--van-border);
    cursor: pointer;
    transition: var(--van-transition);
    white-space: nowrap;
}

.van-progress-step:hover {
    border-color: var(--van-primary-light);
    color: var(--van-primary-dark);
}

.van-progress-step.active {
    background: var(--van-primary);
    color: white;
    border-color: var(--van-primary);
    box-shadow: 0 4px 12px rgba(232, 152, 94, 0.3);
}

.van-progress-step.completed {
    background: var(--van-secondary);
    color: white;
    border-color: var(--van-secondary);
}

.van-progress-step .step-icon {
    font-size: 16px;
}

.van-progress-step .step-check {
    display: none;
}

.van-progress-step.completed .step-check {
    display: inline;
}

.van-progress-step.completed .step-num {
    display: none;
}

.van-progress-bar-track {
    width: 100%;
    height: 4px;
    background: var(--van-border);
    border-radius: 4px;
    margin-top: 14px;
    overflow: hidden;
}

.van-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--van-primary), var(--van-secondary));
    border-radius: 4px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

/* ============================================
   STEPS / SECTIONS
   ============================================ */
.van-step {
    display: none;
    animation: fadeSlideIn 0.4s ease-out;
}

.van-step.active {
    display: block;
}

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

.van-step-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--van-border);
}

.van-step-header .step-emoji {
    font-size: 40px;
}

.van-step-header h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--van-dark);
    letter-spacing: -0.3px;
}

.van-step-header h2 small {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--van-text-light);
    margin-top: 2px;
    letter-spacing: 0;
}

/* ============================================
   QUESTION BLOCKS
   ============================================ */
.van-question {
    margin-bottom: 36px;
    padding: 24px;
    background: var(--van-card-bg);
    border-radius: var(--van-radius);
    box-shadow: var(--van-shadow);
    border: 1px solid var(--van-border);
    transition: var(--van-transition);
}

.van-question:hover {
    box-shadow: var(--van-shadow-hover);
}

.van-question-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--van-dark);
    margin-bottom: 6px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.van-question-label .q-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.van-question-hint {
    font-size: 13px;
    color: var(--van-text-light);
    margin-bottom: 16px;
    padding-left: 30px;
    font-style: italic;
}

/* ============================================
   RADIO / CHECKBOX CARDS
   ============================================ */
.van-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.van-option-card {
    position: relative;
}

.van-option-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.van-option-card .option-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 14px;
    border-radius: 12px;
    border: 2px solid var(--van-border);
    background: var(--van-card-bg);
    cursor: pointer;
    transition: var(--van-transition);
    min-height: 90px;
    justify-content: center;
    gap: 8px;
}

.van-option-card .option-label:hover {
    border-color: var(--van-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 152, 94, 0.15);
}

.van-option-card input:checked + .option-label {
    border-color: var(--van-primary);
    background: linear-gradient(135deg, #FFF7F0, #FFF);
    box-shadow: 0 4px 16px rgba(232, 152, 94, 0.2);
}

.van-option-card input:checked + .option-label::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 22px;
    height: 22px;
    background: var(--van-primary);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
    animation: checkPop 0.3s ease;
}

@keyframes checkPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.van-option-card .option-icon {
    font-size: 28px;
    line-height: 1;
}

.van-option-card .option-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--van-text);
    line-height: 1.3;
}

.van-option-card .option-price {
    font-size: 11px;
    color: var(--van-text-light);
    font-weight: 500;
}

/* ============================================
   NUMBER INPUTS
   ============================================ */
.van-input-group {
    position: relative;
    max-width: 320px;
}

.van-input-group input[type="number"] {
    width: 100%;
    padding: 14px 60px 14px 18px;
    border: 2px solid var(--van-border);
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    font-family: inherit;
    color: var(--van-dark);
    background: var(--van-card-bg);
    transition: var(--van-transition);
    -moz-appearance: textfield;
}

.van-input-group input[type="number"]::-webkit-inner-spin-button,
.van-input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.van-input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--van-primary);
    box-shadow: 0 0 0 4px rgba(232, 152, 94, 0.15);
}

.van-input-suffix {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    font-weight: 700;
    color: var(--van-text-light);
    pointer-events: none;
}

/* ============================================
   RANGE SLIDERS
   ============================================ */
.van-range-container {
    padding: 8px 0;
}

.van-range-value-display {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 12px;
}

.van-range-value-display .range-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--van-primary-dark);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.van-range-value-display .range-unit {
    font-size: 14px;
    font-weight: 600;
    color: var(--van-text-light);
}

.van-range-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--van-primary) 0%, var(--van-border) 0%);
    outline: none;
    cursor: pointer;
    margin: 0;
}

.van-range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--van-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: grab;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.van-range-input::-webkit-slider-thumb:hover {
    box-shadow: 0 4px 14px rgba(232, 152, 94, 0.4);
    transform: scale(1.1);
}

.van-range-input::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.van-range-input::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--van-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: grab;
}

.van-range-limits {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--van-text-light);
    margin-top: 6px;
}

/* ============================================
   NAVIGATION BUTTONS
   ============================================ */
.van-nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--van-border);
}

.van-btn {
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: var(--van-transition);
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.van-btn-secondary {
    background: var(--van-card-bg);
    color: var(--van-text);
    border: 2px solid var(--van-border);
}

.van-btn-secondary:hover {
    border-color: var(--van-text-light);
    background: #F9F8F6;
}

.van-btn-primary {
    background: var(--van-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(232, 152, 94, 0.35);
}

.van-btn-primary:hover {
    background: var(--van-primary-dark);
    box-shadow: 0 6px 20px rgba(232, 152, 94, 0.45);
    transform: translateY(-1px);
}

.van-btn-calculate {
    background: linear-gradient(135deg, var(--van-secondary), var(--van-secondary-light));
    color: white;
    padding: 18px 40px;
    font-size: 17px;
    width: 100%;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(44, 95, 45, 0.3);
}

.van-btn-calculate:hover {
    box-shadow: 0 6px 24px rgba(44, 95, 45, 0.45);
    transform: translateY(-2px);
}

/* ============================================
   LIVE PREVIEW (FLOATING)
   ============================================ */
.van-live-preview {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--van-dark);
    color: white;
    padding: 16px 22px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    z-index: 1000;
    min-width: 220px;
    transition: var(--van-transition);
    cursor: pointer;
}

.van-live-preview:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.van-live-preview .preview-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 4px;
}

.van-live-preview .preview-amount {
    font-size: 28px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.van-live-preview .preview-period {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.van-live-preview .preview-toggle {
    font-size: 11px;
    color: var(--van-primary-light);
    margin-top: 4px;
}

/* ============================================
   RESULTS
   ============================================ */
.van-results {
    display: none;
    animation: fadeSlideIn 0.6s ease-out;
}

.van-results.visible {
    display: block;
}

.van-results-header {
    text-align: center;
    padding: 40px 20px 30px;
}

.van-results-header .result-emoji {
    font-size: 60px;
    display: block;
    margin-bottom: 10px;
    animation: vanBounce 2s ease-in-out infinite;
}

.van-results-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--van-dark);
    margin-bottom: 6px;
}

.van-results-header p {
    color: var(--van-text-light);
    font-size: 14px;
}

.van-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.van-result-card {
    background: var(--van-card-bg);
    border-radius: var(--van-radius);
    padding: 24px;
    border: 1px solid var(--van-border);
    box-shadow: var(--van-shadow);
    text-align: center;
    transition: var(--van-transition);
}

.van-result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--van-shadow-hover);
}

.van-result-card.highlight {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--van-dark), #2A2A4A);
    color: white;
    padding: 32px;
}

.van-result-card .result-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.van-result-card .result-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.van-result-card.highlight .result-label {
    color: rgba(255,255,255,0.6);
}

.van-result-card .result-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--van-primary-dark);
    font-variant-numeric: tabular-nums;
}

.van-result-card.highlight .result-value {
    font-size: 48px;
    color: white;
}

.van-result-card .result-suffix {
    font-size: 16px;
    font-weight: 600;
}

.van-result-card.highlight .result-suffix {
    color: rgba(255,255,255,0.6);
}

/* Breakdown */
.van-breakdown {
    background: var(--van-card-bg);
    border-radius: var(--van-radius);
    padding: 28px;
    border: 1px solid var(--van-border);
    box-shadow: var(--van-shadow);
    margin-top: 24px;
}

.van-breakdown h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--van-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.van-breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--van-border);
}

.van-breakdown-item:last-child {
    border-bottom: none;
}

.van-breakdown-item .bd-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.van-breakdown-item .bd-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.van-breakdown-item .bd-icon.vehicle { background: #FEF3C7; }
.van-breakdown-item .bd-icon.daily { background: #DBEAFE; }
.van-breakdown-item .bd-icon.nomad { background: #E0E7FF; }
.van-breakdown-item .bd-icon.fixed { background: #FCE7F3; }
.van-breakdown-item .bd-icon.other { background: #D1FAE5; }

.van-breakdown-item .bd-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--van-text);
}

.van-breakdown-item .bd-bar-container {
    flex: 1;
    margin: 0 16px;
    height: 6px;
    background: var(--van-border);
    border-radius: 6px;
    overflow: hidden;
}

.van-breakdown-item .bd-bar {
    height: 100%;
    border-radius: 6px;
    transition: width 1s ease-out;
    width: 0%;
}

.van-breakdown-item .bd-bar.vehicle { background: #F59E0B; }
.van-breakdown-item .bd-bar.daily { background: #3B82F6; }
.van-breakdown-item .bd-bar.nomad { background: #6366F1; }
.van-breakdown-item .bd-bar.fixed { background: #EC4899; }
.van-breakdown-item .bd-bar.other { background: #10B981; }

.van-breakdown-item .bd-amount {
    font-size: 15px;
    font-weight: 700;
    color: var(--van-dark);
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
}

/* Restart button */
.van-restart-btn {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .vanlife-simulator {
        padding: 0 12px 30px;
    }

    .van-header h1 {
        font-size: 24px;
    }

    .van-progress-steps {
        gap: 6px;
    }

    .van-progress-step {
        padding: 6px 12px;
        font-size: 11px;
    }

    .van-progress-step .step-label {
        display: none;
    }

    .van-step-header h2 {
        font-size: 22px;
    }

    .van-question {
        padding: 18px;
        margin-bottom: 24px;
    }

    .van-options-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .van-option-card .option-label {
        padding: 14px 10px;
        min-height: 75px;
    }

    .van-option-card .option-icon {
        font-size: 22px;
    }

    .van-live-preview {
        bottom: 12px;
        right: 12px;
        left: 12px;
        min-width: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 18px;
    }

    .van-live-preview .preview-amount {
        font-size: 22px;
    }

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

    .van-result-card .result-value {
        font-size: 28px;
    }

    .van-result-card.highlight .result-value {
        font-size: 36px;
    }

    .van-breakdown-item .bd-bar-container {
        display: none;
    }

    .van-range-value-display .range-number {
        font-size: 28px;
    }

    .van-nav-buttons {
        gap: 8px;
    }

    .van-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 400px) {
    .van-options-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: countUp 0.5s ease-out forwards;
}

/* Smooth number transition */
.van-animated-number {
    transition: all 0.3s ease;
    display: inline-block;
}

/* Tooltip */
.van-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--van-border);
    color: var(--van-text-light);
    font-size: 11px;
    font-weight: 700;
    cursor: help;
    margin-left: 6px;
    flex-shrink: 0;
}

.van-tooltip:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--van-dark);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    max-width: 250px;
    white-space: normal;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}