/* ========================================
   Reset & Base Styles
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #F8F9FA;
    color: #1A1A1A;
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Container Layout (3-Column)
======================================== */
.container {
    display: flex;
    justify-content: center;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ========================================
   AdSense Sidebar (PC Only)
======================================== */
.ad-sidebar {
    width: 200px;
    flex-shrink: 0;
}

.ad-sidebar.ad-left,
.ad-sidebar.ad-right {
    position: sticky;
    top: 20px;
    height: fit-content;
}

/* ========================================
   Main Calculator
======================================== */
.calculator {
    flex: 1;
    max-width: 800px;
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 40px;
}

/* ========================================
   Header
======================================== */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 20px;
}

.info-box {
    background-color: #F8F9FA;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
}

.info-date {
    font-size: 14px;
    color: #666666;
    margin-bottom: 12px;
}

.min-wage-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.badge-2025,
.badge-2026 {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.badge-2025 {
    background-color: #E3F2FD;
    color: #1565C0;
    border: 1px solid #BBDEFB;
}

.badge-2026 {
    background-color: #E8F4F8;
    color: #0277BD;
    border: 1px solid #B3E5FC;
}

.badge-2025 strong,
.badge-2026 strong {
    font-weight: 700;
    font-size: 16px;
}

/* ========================================
   Input Section
======================================== */
.input-section {
    margin-bottom: 40px;
}

.input-group {
    margin-bottom: 32px;
}

.step-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: 16px;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 28px;
    background-color: #0066FF;
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 16px;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.radio-option:hover {
    border-color: #0066FF;
    background-color: #F8F9FF;
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    cursor: pointer;
    accent-color: #0066FF;
}

.radio-option input[type="radio"]:checked + .radio-label {
    color: #0066FF;
    font-weight: 600;
}

.radio-label {
    font-size: 16px;
    color: #1A1A1A;
    cursor: pointer;
}

/* Input with Unit */
.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input[type="text"],
.input-with-unit input[type="number"] {
    flex: 1;
    padding: 16px 60px 16px 16px;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    outline: none;
    transition: all 0.2s ease;
}

.input-with-unit input:focus {
    border-color: #0066FF;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.input-with-unit .unit {
    position: absolute;
    right: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #666666;
    pointer-events: none;
}

/* Quick Buttons */
.quick-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.quick-btn {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #0066FF;
    background-color: #FFFFFF;
    border: 1px solid #0066FF;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-btn:hover {
    background-color: #0066FF;
    color: #FFFFFF;
}

/* Work Conditions */
.work-conditions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.condition-item label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    margin-bottom: 8px;
}

.condition-item input[type="number"] {
    width: 100%;
}

/* Checkbox Option */
.checkbox-option {
    display: flex;
    align-items: center;
    padding: 16px;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-option:hover {
    border-color: #0066FF;
    background-color: #F8F9FF;
}

.checkbox-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    cursor: pointer;
    accent-color: #0066FF;
}

.checkbox-label {
    font-size: 16px;
    color: #1A1A1A;
    cursor: pointer;
}

/* Help Text */
.help-text {
    font-size: 13px;
    color: #666666;
    margin-top: 8px;
    padding-left: 4px;
}

/* Warning Message */
.warning-message {
    margin-top: 12px;
    padding: 12px 16px;
    background-color: #E3F2FD;
    border: 1px solid #BBDEFB;
    border-radius: 6px;
    font-size: 14px;
    color: #1565C0;
    font-weight: 500;
}

/* Calculate Button */
.calculate-btn {
    width: 100%;
    padding: 18px;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 102, 255, 0.4);
}

.calculate-btn:active {
    transform: translateY(0);
}

/* ========================================
   Results Section
======================================== */
.results-section {
    animation: fadeIn 0.5s ease;
}

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

/* Result Card */
.result-card {
    background-color: #FFFFFF;
    border: 2px solid #E5E5E5;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 24px;
}

.result-card h2,
.result-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 20px;
}

/* Main Result */
.main-result {
    border: 3px solid #0066FF;
    box-shadow: 0 4px 16px rgba(0, 102, 255, 0.15);
}

.result-summary,
.result-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.summary-row,
.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.summary-row .label,
.detail-row .label {
    font-size: 16px;
    color: #666666;
}

.summary-row .value,
.detail-row .value {
    font-size: 18px;
    font-weight: 600;
    color: #1A1A1A;
}

.detail-row.highlight {
    background-color: #F0F7FF;
    padding: 16px;
    border-radius: 8px;
    margin: 8px 0;
}

.value.big {
    font-size: 28px;
    font-weight: 700;
    color: #1976D2;
}

.value.accent {
    color: #1976D2;
    font-weight: 700;
}

.divider {
    height: 1px;
    background-color: #E5E5E5;
    margin: 16px 0;
}

.divider.thick {
    height: 2px;
    background-color: #CCCCCC;
    margin: 20px 0;
}

.weekly-holiday-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background-color: #E3F2FD;
    border-radius: 8px;
}

.weekly-holiday-info .label {
    font-size: 16px;
    font-weight: 600;
    color: #1565C0;
}

/* Comparison Card */
.comparison-table {
    margin-bottom: 16px;
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    padding: 12px 0;
}

.comparison-header {
    border-bottom: 2px solid #E5E5E5;
    font-weight: 700;
    color: #1A1A1A;
}

.comparison-header .col:first-child {
    font-weight: 400;
}

.comparison-row {
    border-bottom: 1px solid #F0F0F0;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row .col {
    text-align: center;
    font-size: 16px;
    color: #1A1A1A;
}

.comparison-row .col.label {
    text-align: left;
    font-weight: 600;
    color: #666666;
}

.comparison-diff {
    padding: 16px;
    background-color: #E3F2FD;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
    color: #1565C0;
}

.comparison-diff strong {
    font-weight: 700;
}

/* Deductions Card */
.deductions-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.deduction-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.deduction-row .label {
    font-size: 15px;
    color: #666666;
}

.deduction-row .value {
    font-size: 16px;
    font-weight: 600;
    color: #1A1A1A;
}

.deduction-row .value.deduction {
    color: #D32F2F;
}

.deduction-row.total {
    padding: 16px;
    background-color: #F8F9FA;
    border-radius: 8px;
}

.deduction-row.total .value {
    font-size: 20px;
    font-weight: 700;
}

.deduction-row.net {
    padding: 16px;
    background-color: #E3F2FD;
    border-radius: 8px;
}

/* Schedule Table */
.schedule-table {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.schedule-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border: 1px solid #E5E5E5;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.schedule-row:hover {
    background-color: #F8F9FA;
}

.schedule-row.current {
    background-color: #E3F2FD;
    border-color: #1976D2;
    font-weight: 600;
}

.schedule-row .condition {
    font-size: 15px;
    color: #666666;
}

.schedule-row .amount {
    font-size: 16px;
    font-weight: 600;
    color: #1A1A1A;
}

.schedule-row.current .condition,
.schedule-row.current .amount {
    color: #1565C0;
}

/* History Card */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    align-items: center;
    padding: 14px;
    border: 1px solid #E5E5E5;
    border-radius: 8px;
}

.history-item .year {
    font-size: 15px;
    font-weight: 600;
    color: #666666;
}

.history-item .wage {
    font-size: 16px;
    font-weight: 700;
    color: #1A1A1A;
}

.history-item .change {
    font-size: 14px;
    font-weight: 600;
}

.history-item .change.increase {
    color: #1976D2;
}

.history-item .change.decrease {
    color: #D32F2F;
}

/* Info Card */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background-color: #F8F9FA;
    border-radius: 8px;
}

.info-item .icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #1976D2;
    color: #FFFFFF;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
}

.info-item .text {
    flex: 1;
    font-size: 14px;
    line-height: 1.6;
    color: #1A1A1A;
}

.info-item .text strong {
    font-weight: 700;
    color: #0066FF;
}

/* ========================================
   Action Buttons
======================================== */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: #FFFFFF;
}

.action-btn.kakao {
    color: #1565C0;
    border-color: #1565C0;
    background-color: #E3F2FD;
}

.action-btn.kakao:hover {
    background-color: #1565C0;
    color: #FFFFFF;
}

.action-btn.copy {
    color: #1976D2;
    border-color: #1976D2;
}

.action-btn.copy:hover {
    background-color: #1976D2;
    color: #FFFFFF;
}

.action-btn.pdf {
    color: #0277BD;
    border-color: #0277BD;
}

.action-btn.pdf:hover {
    background-color: #0277BD;
    color: #FFFFFF;
}

.action-btn.image {
    color: #0288D1;
    border-color: #0288D1;
}

.action-btn.image:hover {
    background-color: #0288D1;
    color: #FFFFFF;
}

.action-btn.reset {
    color: #666666;
    border-color: #CCCCCC;
}

.action-btn.reset:hover {
    background-color: #666666;
    color: #FFFFFF;
}

/* ========================================
   Disclaimer
======================================== */
.disclaimer {
    margin-top: 40px;
    padding: 24px;
    background-color: #E8F4F8;
    border: 2px solid #B3E5FC;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.8;
    color: #01579B;
}

.disclaimer p {
    margin-bottom: 8px;
}

.disclaimer p:last-child {
    margin-bottom: 0;
}

.disclaimer strong {
    font-weight: 700;
    color: #0277BD;
}

/* ========================================
   Toast Notification
======================================== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 16px 24px;
    background-color: #1A1A1A;
    color: #FFFFFF;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 9999;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ========================================
   Top Action Bar (상단 버튼)
======================================== */
.top-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.calculator-list-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    background-color: #F8F9FA;
    border: 1px solid #E5E5E5;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.calculator-list-link:hover {
    background-color: #E5E5E5;
    border-color: #CCCCCC;
}

.top-action-bar .share-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-left: auto;
}

.top-action-bar .share-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    background-color: #FFFFFF;
    border: 1px solid #E5E5E5;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-action-bar .share-btn:hover {
    background-color: #F8F9FA;
    border-color: #1976D2;
    color: #1976D2;
}

/* ========================================
   Bottom Action Bar (하단 공유 버튼)
======================================== */
.bottom-action-bar {
    padding: 24px 0;
    margin-top: 30px;
    border-top: 2px solid #E5E5E5;
    text-align: center;
}

.bottom-action-bar h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: 16px;
}

.bottom-action-bar .share-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.bottom-action-bar .share-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    background-color: #FFFFFF;
    border: 1px solid #E5E5E5;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.bottom-action-bar .share-btn:hover {
    background-color: #F8F9FA;
    border-color: #1976D2;
    color: #1976D2;
}

/* ========================================
   Responsive Design
======================================== */

/* Tablet (768px ~ 1199px) */
@media (max-width: 1199px) {
    /* Hide AdSense on tablet */
    .ad-sidebar {
        display: none;
    }

    .container {
        padding: 16px;
    }

    .calculator {
        padding: 32px 24px;
    }

    .header h1 {
        font-size: 28px;
    }

    .work-conditions {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .top-action-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .top-action-bar .share-buttons {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
    }
    
    .calculator-list-link {
        width: fit-content;
    }
}

/* Mobile (max-width: 767px) */
@media (max-width: 767px) {
    /* Hide AdSense on mobile */
    .ad-sidebar {
        display: none;
    }

    .container {
        padding: 12px;
    }

    .calculator {
        padding: 24px 16px;
    }

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

    .info-box {
        padding: 16px;
    }

    .min-wage-info {
        gap: 6px;
    }

    .badge-2025,
    .badge-2026 {
        padding: 6px 12px;
        font-size: 12px;
    }

    .step-label {
        font-size: 16px;
        flex-wrap: wrap;
    }

    .step-number {
        width: 60px;
        height: 24px;
        font-size: 11px;
    }

    .radio-option,
    .checkbox-option {
        padding: 12px;
    }

    .input-with-unit input[type="text"],
    .input-with-unit input[type="number"] {
        padding: 14px 50px 14px 14px;
        font-size: 16px;
    }

    .quick-buttons {
        gap: 6px;
    }

    .quick-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .work-conditions {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .calculate-btn {
        padding: 16px;
        font-size: 18px;
    }

    .result-card {
        padding: 20px 16px;
    }

    .result-card h2,
    .result-card h3 {
        font-size: 18px;
    }

    .value.big {
        font-size: 24px;
    }

    .comparison-header,
    .comparison-row {
        gap: 8px;
        font-size: 14px;
    }

    .comparison-row .col {
        font-size: 14px;
    }

    .schedule-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px;
    }

    .history-item {
        grid-template-columns: 70px 1fr auto;
        padding: 12px;
        font-size: 14px;
    }

    .action-buttons {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .action-btn {
        padding: 12px 16px;
        font-size: 14px;
    }

    .disclaimer {
        padding: 16px;
        font-size: 12px;
    }

    .toast {
        bottom: 20px;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .top-action-bar {
        gap: 10px;
    }
    
    .top-action-bar .share-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .calculator-list-link {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .bottom-action-bar {
        padding: 20px 0;
    }
    
    .bottom-action-bar h3 {
        font-size: 15px;
    }
    
    .bottom-action-bar .share-btn {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* Ultra small mobile (max-width: 374px) */
@media (max-width: 374px) {
    .header h1 {
        font-size: 20px;
    }

    .badge-2025 strong,
    .badge-2026 strong {
        font-size: 14px;
    }

    .value.big {
        font-size: 20px;
    }

    .comparison-header,
    .comparison-row {
        font-size: 12px;
    }
}