@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.8/dist/web/static/pretendard.css");

:root {
    /* Toss UI Colors */
    --toss-blue: #3182f6;
    --toss-blue-hover: #1b64da;
    --toss-bg: #f2f4f6;
    --toss-card-bg: #ffffff;
    --toss-text-main: #191f28;
    --toss-text-sub: #4e5968;
    --toss-text-muted: #8b95a1;
    --toss-border: #e5e8eb;
    --toss-red: #f04452;
    --toss-red-bg: #fee9eb;
    --toss-green: #34c759;
    --toss-green-bg: #e1f5e8;
    --toss-input-bg: #f2f4f6;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

body, input, select, textarea, button, table, td, th {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif !important;
    letter-spacing: -0.01em;
}

/* Hide native number input arrows */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0 !important;
}
input[type="number"] {
    -moz-appearance: textfield !important;
    appearance: textfield !important;
}

body {
    background-color: var(--toss-bg);
    color: var(--toss-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header */
header {
    background: var(--toss-card-bg);
    padding: 2.5rem 1rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--toss-border);
    margin-bottom: 1.5rem;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.header-badge {
    color: var(--toss-blue);
    font-size: 0.85rem;
    font-weight: 700;
}

header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--toss-text-main);
    letter-spacing: -0.5px;
}

/* Layout & Container */
.main-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem 4rem;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
}

@media (min-width: 769px) {
    .container {
        flex-direction: row;
        align-items: flex-start;
        gap: 2rem;
    }
    
    .left-panel {
        flex: 1;
        max-width: 55%;
    }
    
    .right-panel {
        flex: 1;
        position: sticky;
        top: 2rem;
        /* prevent it from scrolling away while left column is long */
    }

    /* Center Layout for Step 1 when right panel is empty */
    .container.step1-mode {
        justify-content: center;
    }
    
    .container.step1-mode .left-panel {
        max-width: 650px;
        flex: 0 1 650px;
    }
    
    .container.step1-mode .right-panel {
        display: none !important;
    }
}

/* Step Wizard Navigation */
.step-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--toss-text-muted);
    font-weight: 600;
    font-size: 0.95rem;
}

.step-indicator.active {
    color: var(--toss-blue);
}

.step-indicator.completed {
    color: var(--toss-text-main);
}

.step-divider {
    color: var(--toss-border);
    font-size: 0.8rem;
}

@media (max-width: 500px) {
    .step-nav {
        gap: 0.5rem;
    }
    .step-indicator {
        font-size: 0.8rem;
    }
    /* "1. 주소 검색" 등 텍스트를 너무 좁은 화면에서는 아이콘만 보이게 하거나 작게 유지 */
    .step-indicator span {
        font-size: 0.8rem;
    }
}

/* Step Animations */
.step-content {
    display: none;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.step-content.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

/* Bottom Nav Buttons for Steps */
.step-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    gap: 1rem;
}

.step-actions .btn-prev {
    background: #ffffff !important;
    color: var(--toss-text-sub) !important;
    border: 1px solid #d1d6db !important;
    border-radius: var(--radius-md) !important;
    padding: 0.85rem 1.5rem !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    flex: 1 !important;
    transition: all 0.2s ease !important;
    appearance: none !important;
}

.step-actions .btn-prev:hover {
    background: #f2f4f6 !important;
}

.step-actions .btn-prev:active {
    transform: scale(0.98) !important;
}

.step-actions .btn-next-primary {
    background: var(--toss-blue) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--radius-md) !important;
    padding: 0.85rem 1.5rem !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    flex: 2 !important;
    transition: all 0.2s ease !important;
    appearance: none !important;
}

.step-actions .btn-next-primary:hover {
    background: var(--toss-blue-hover) !important;
}

.step-actions .btn-next-primary:active {
    transform: scale(0.98) !important;
}

/* Card */
.card {
    background: var(--toss-card-bg);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: none;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--toss-text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.3px;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .form-grid.two-cols {
        grid-template-columns: 1fr 1fr;
    }
}

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

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--toss-text-sub);
    margin-bottom: 0.5rem;
}

input, select {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: var(--toss-input-bg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--toss-text-main);
    transition: all 0.2s ease;
    font-weight: 500;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--toss-blue);
    background-color: var(--toss-card-bg);
    box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.15);
}

input::placeholder {
    color: var(--toss-text-muted);
}

input[readonly] {
    background-color: var(--toss-bg);
    color: var(--toss-text-muted);
}

/* Address Box Custom Style */
#address {
    background-color: #e8f3ff;
    color: var(--toss-blue);
    font-weight: 600;
}

/* Buttons */
button {
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
}

#btn-fetch-building {
    background: var(--toss-blue);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
}

#btn-fetch-building:active {
    background: var(--toss-blue-hover);
    transform: scale(0.98);
}

#btn-apply-building {
    background: var(--toss-text-main);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    font-size: 0.85rem;
}

#btn-reset-addr, #btn-restore-cond {
    background: var(--toss-input-bg);
    color: var(--toss-text-sub);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 600;
}

#btn-reset-addr:hover, #btn-restore-cond:hover {
    background: #e5e8eb;
}

/* Building Result Panel */
#building-result-panel {
    background: var(--toss-input-bg);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
}

#building-result-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
}

/* Conditions List */
.cond-group-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--toss-text-muted);
    margin: 1.5rem 0 0.5rem;
}

.cond-group-title:first-child {
    margin-top: 0.5rem;
}

.cond-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--toss-bg);
}

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

.cond-label {
    font-size: 0.95rem;
    color: var(--toss-text-main);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cond-field {
    width: 120px !important;
    text-align: right;
    padding: 0.4rem 0.5rem !important;
    font-weight: 600;
    background: transparent;
    border: none;
    font-size: 1.05rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.cond-field:focus {
    background: var(--toss-card-bg);
    border-radius: var(--radius-sm);
}

.cond-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--toss-input-bg);
    padding: 0.25rem;
    border-radius: var(--radius-md);
}

.btn-adj, .btn-adj-discount {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--toss-card-bg);
    color: var(--toss-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.btn-adj:active, .btn-adj-discount:active {
    background: var(--toss-border);
    transform: scale(0.95);
}

/* Item Toggles */
.btn-toggle-item {
    background: none;
    border: none;
    font-size: 1.25rem;
    padding: 0;
    color: var(--toss-text-muted);
}
.btn-toggle-item .fa-minus-circle { color: var(--toss-text-muted); }
.btn-toggle-item .fa-plus-circle { color: var(--toss-blue); }

.cond-row.item-disabled {
    opacity: 0.4;
}

/* Highlighted labels */
#cond-yearly-total {
    font-weight: 800;
    color: var(--toss-blue);
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}
#cond-monthly-total {
    font-weight: 700;
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

/* Summary Grid - Toss Style */
.summary-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--toss-input-bg);
    border-radius: var(--radius-md);
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--toss-text-sub);
}

.stat-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--toss-text-main);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    text-align: right;
    white-space: nowrap;
}

.stat-card.highlight {
    background: #e8f3ff;
}
.stat-card.highlight .stat-value,
.stat-card.highlight .stat-label {
    color: var(--toss-blue);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar {
    display: none;
}
.tab-btn {
    padding: 0.6rem 1rem;
    background: var(--toss-input-bg);
    color: var(--toss-text-sub);
    border-radius: 100px;
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
}
.tab-btn.active {
    background: var(--toss-text-main);
    color: var(--toss-card-bg);
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.data-table th,
.data-table td {
    padding: 0.75rem 0.25rem;
    text-align: left;
    border-bottom: 1px solid var(--toss-border);
}
.data-table th {
    color: var(--toss-text-muted);
    font-weight: 600;
}
.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Bottom Actions */
#card-bottom-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.export-btn {
    padding: 1.1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.05rem;
    width: 100%;
    border: none;
    text-align: center;
}

#btn-save-pdf {
    background: var(--toss-blue);
    color: white;
}

#btn-save-pdf:active {
    background: var(--toss-blue-hover);
    transform: scale(0.98);
}

#btn-view-json {
    background: var(--toss-text-main);
    color: white;
}

#btn-view-json:active {
    transform: scale(0.98);
}

/* Badges / inline hints */
.hint-text {
    font-size: 0.8rem;
    color: var(--toss-text-muted);
    margin-top: 0.25rem;
    display: block;
}

#floor-grade {
    font-size: 1rem;
    font-weight: 700;
    color: var(--toss-blue);
}

#sheet-status-bar {
    background: var(--toss-input-bg);
    color: var(--toss-text-main);
}

/* Word-break strategy to prevent awkward wrapping (e.g. 대상물(고객명) 이 잘리지 않게) */
body, .stat-label, .stat-value, .data-table td, .data-table th, .cond-label, .card-title, button {
    word-break: keep-all;
    overflow-wrap: break-word;
}

.status-msg-mobile { display: none; }
.status-msg-pc { display: inline; }

/* --- Mobile Specific Overrides --- */
@media (max-width: 768px) {
    .status-msg-pc { display: none; }
    .status-msg-mobile { display: block; line-height: 1.6; }
    
    .container {
        padding: 0 0.5rem;
    }
    .form-grid.two-cols {
        grid-template-columns: 1fr !important;
    }
    #building-result-content {
        grid-template-columns: 1fr !important;
    }
    .cond-row {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .cond-field {
        width: 100% !important;
        text-align: right;
    }
}

@media (max-width: 500px) {
    /* Step 2 Conditions Panel Adjustments */
    .cond-controls {
        width: 100%;
        justify-content: space-between;
    }
    .cond-field {
        text-align: center;
    }

    /* Step 2 Summary Card Adjustments */
    .stat-card {
        padding: 0.8rem 1rem;
    }
    .summary-grid > div[style*="display:flex"] {
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Step 3 Data Table Adjustments */
    .data-table {
        font-size: 0.8rem;
    }
    .data-table th, .data-table td {
        padding: 0.6rem 0.2rem;
    }
    
    .card-title {
        font-size: 1.15rem;
    }
}


/* VAT toggle buttons */
.btn-vat {
    padding: 0.3rem 1rem;
    border: 1px solid var(--toss-blue);
    border-radius: 6px;
    background: white;
    color: var(--toss-blue);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}
.btn-vat.active-vat {
    background: var(--toss-blue);
    color: white;
}