/* CSS Variables */
:root {
    --primary-color: #333;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-primary: #333;
    --text-secondary: #666;
    --border-color: #ddd;
    --success-bg: #e8f5e9;
    --success-border: #4caf50;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

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

body {
    font-family: 'Segoe UI', 'Hiragino Sans', 'Meiryo', sans-serif;
    background: var(--bg-color);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

/* App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
}

/* Header */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 5px 0;
    margin-bottom: 8px;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
}

.header-actions {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: #f0f0f0;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    transition: all 0.2s;
}

.header-btn:hover {
    background: #e0e0e0;
}

.header-btn svg {
    flex-shrink: 0;
}

.settings-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

.header .subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 10px;
    align-items: start;
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 10px;
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Input Section */
.input-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    margin-bottom: 4px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.form-group select,
.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 6px 10px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: white;
    font-family: inherit;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input[type="text"] {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-align: center;
    width: 85px;
    box-sizing: border-box;
}

.form-group input[type="number"] {
    width: 55px;
    text-align: center;
}

.form-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.form-row .form-group {
    flex: none;
    margin-bottom: 0;
}

.form-row .form-group:first-child {
    min-width: 118px;
}

.time-row .form-group:first-child {
    min-width: auto;
}

.form-row .form-group label {
    white-space: nowrap;
}

.time-row {
    align-items: flex-end;
}

.time-separator {
    font-size: 1rem;
    color: var(--text-secondary);
    padding-bottom: 6px;
    line-height: 1;
    min-width: 20px;
    text-align: center;
}

/* Studio + Mode Row */
.studio-mode-row {
    align-items: flex-end;
}

.studio-group {
    flex: 0 0 auto;
}

.studio-group select {
    min-width: 140px;
}

/* Full Time Row (Setting + Work Start + Work End) */
.full-time-row {
    flex-wrap: wrap;
}

.full-time-row .form-group input[type="text"] {
    width: 85px;
}

/* Instrument Row */
.instrument-row {
    gap: 16px;
    flex-wrap: wrap;
}

.instrument-row .instrument-group {
    flex: 1;
    min-width: 120px;
}

/* Time and Staff Input Alignment using CSS Grid approach */
/* 
   Goal: Align 作業開始 (2nd column in time row) with アシスタント (2nd column in staff row)
*/

/* Time row: セッティング ～ 作業開始 ～ 作業終了 */
.full-time-row {
    display: grid;
    grid-template-columns: 85px 20px 85px 20px 85px;
    align-items: end;
    column-gap: 9px;
    row-gap: 0;
}

.full-time-row .form-group {
    margin-bottom: 0;
}

.full-time-row .time-separator {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    text-align: center;
    padding-bottom: 9px;
    width: 100%;
}

/* Staff row: エンジニア アシスタント */
.staff-row {
    display: grid;
    grid-template-columns: 85px 20px 85px;
    align-items: end;
    column-gap: 9px;
    row-gap: 0;
}

.staff-row .form-group {
    margin-bottom: 0;
}

/* Add invisible spacer after エンジニア to match time row structure */
.staff-row::after {
    content: '';
    display: none;
}

.time-input-group {
    flex: 0 0 auto;
}

.staff-input-group {
    flex: 0 0 auto;
}

/* Result Card spacing */
.result-card {
    margin-top: 16px;
}

/* Tax Checkbox Row */
.tax-checkbox-row {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

/* Media Row - CD/DVD spacing */
.media-row {
    gap: 2px;
}

.media-row .form-group:nth-child(2) {
    transform: translateX(-45px);
}

/* Breakdown Header Right */
.breakdown-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Breakdown Options Row - outside card, right aligned */
.breakdown-options-row {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 8px;
}

.inline-checkbox {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.inline-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.inline-checkbox span {
    white-space: nowrap;
}

/* Instrument Section */
.instrument-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    display: none;
}

.instrument-section.visible {
    display: block;
}

/* Media Section (CD-R, DVD-R) */
.media-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    display: none;
}

.media-section.visible {
    display: block;
}

.instrument-group {
    margin-bottom: 8px;
}

.instrument-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: block;
}



.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.tuning-select {
    margin-left: 24px;
    width: calc(100% - 24px) !important;
    display: none;
    font-size: 0.85rem;
    padding: 6px;
}

.tuning-select.visible {
    display: block;
}

/* Custom Multiselect */
.multi-select-container {
    position: relative;
}

.multi-select-button {
    width: 100%;
    padding: 6px 10px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: white;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
}

.multi-select-button::after {
    content: '▼';
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.multi-select-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow);
    z-index: 100;
    max-height: 250px;
    overflow-y: auto;
    padding: 6px;
}

.multi-select-dropdown.visible {
    display: block;
}

.multi-select-option {
    padding: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 4px;
}

.multi-select-option:hover {
    background-color: var(--bg-color);
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: #f0f0f0;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.radio-group label:hover {
    background: #e5e5e5;
}

.radio-group input[type="radio"] {
    accent-color: var(--primary-color);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-group label {
    display: inline-block;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

/* Result Section */
.result-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.result-box {
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    background: #f8f8f8;
    border: 1px solid var(--border-color);
}

.result-box.cheaper {
    background: var(--success-bg);
    border-color: var(--success-border);
}

.result-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.result-amount {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-box.cheaper .result-amount {
    color: #2e7d32;
}

/* Breakdown Section */
.breakdown-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.breakdown-card {
    overflow: hidden;
}

.breakdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    margin: -10px -10px 0;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-header:hover {
    background: #fafafa;
}

.breakdown-header .card-title {
    margin-bottom: 0;
}

.toggle-icon {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.breakdown-card.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.breakdown-total {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.breakdown-content {
    padding-top: 16px;
    max-height: 2000px;
    overflow-y: auto;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.breakdown-card.collapsed .breakdown-content {
    max-height: 0;
    padding-top: 0;
}

/* Breakdown Items */
.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    margin-bottom: 4px;
    background: #f8f8f8;
    border-radius: 4px;
    font-size: 0.9rem;
}

.breakdown-item.zero {
    opacity: 0.4;
    background: #eee;
}

.breakdown-item-label {
    flex: 1;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-icon-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    opacity: 0;
    /* Show on hover */
}

.breakdown-item:hover .copy-icon-btn {
    opacity: 1;
}

.copy-icon-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.copy-icon-btn.copied {
    color: #4CAF50;
    opacity: 1;
}


.breakdown-item-calc {
    display: flex;
    justify-content: flex-end;
    /* Keep aligning to right relative to label, or flex-start if 'left align' meant next to label? */
    /* User said "head left align", but also "align x". If we align left next to label, it jumps around because label is variable. 
       Fixed width block aligned right seems safer, but internal text align left? 
       Actually, if we use fixed widths for columns, "align left" inside the block is natural.
       Let's align the block to the right (as before) but make the block itself fixed width so columns align. */
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-secondary);
    min-width: 280px;
    /* 85 + 20 + 60 + 20 + 60 = 245 + padding/gap */
    margin-right: 16px;
    font-size: 0.85rem;
}

.breakdown-item-calc .calc-unit {
    width: 85px;
    text-align: right;
    display: inline-block;
}

.breakdown-item-calc .calc-op {
    width: 25px;
    text-align: center;
    display: inline-block;
}

.breakdown-item-calc .calc-val {
    width: 60px;
    text-align: right;
    display: inline-block;
}

.breakdown-item-calc .calc-val2 {
    width: 60px;
    text-align: right;
    display: inline-block;
}

.breakdown-item-calc .empty {
    /* Keeps the space but invisible */
    visibility: hidden;
}

.breakdown-item-amount {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 90px;
    text-align: right;
}

/* Cheaper Breakdown Highlight */
.breakdown-card.cheaper-breakdown {
    border-color: var(--success-border);
}

.breakdown-card.cheaper-breakdown .breakdown-header {
    background: var(--success-bg);
}

.breakdown-card.cheaper-breakdown .breakdown-total {
    color: #2e7d32;
}

/* Lockout Not Available */
.lockout-unavailable {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* Settings Modal */
.modal-overlay {
    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: 1000;
}

.modal-panel {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #1976d2;
}

.btn-secondary {
    background: #f5f5f5;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-reset-all {
    background: #ff5252;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s;
}

.btn-reset-all:hover {
    background: #f44336;
}

.settings-actions {
    margin-bottom: 20px;
    text-align: right;
}

.settings-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: nowrap;
    gap: 12px;
    min-height: 36px;
}

.settings-actions-row button {
    white-space: nowrap;
}

.settings-section h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.settings-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-item {
    display: grid;
    grid-template-columns: 1fr 120px auto;
    gap: 12px;
    align-items: center;
    padding: 10px 12px;
    background: #f8f8f8;
    border-radius: 6px;
}

.settings-item-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.settings-item-input {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: right;
    font-size: 0.9rem;
}

.settings-item-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-reset-item {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: 4px;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.btn-reset-item:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

/* Tabbed Settings Modal */
.modal-panel-wide {
    max-width: 800px;
    height: 80vh;
}

.modal-body-tabbed {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.settings-tabs {
    width: 140px;
    background: #f5f5f5;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 8px 0;
}

.settings-tab {
    background: none;
    border: none;
    padding: 12px 16px;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.settings-tab:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.settings-tab.active {
    background: white;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.settings-content {
    flex: 1;
    padding: 16px;
    overflow-y: scroll;
}

/* Studio selector in settings */
.studio-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.studio-selector-btn {
    padding: 6px 12px;
    background: #f0f0f0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.studio-selector-btn:hover {
    background: #e0e0e0;
}

.studio-selector-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Settings subsection */
.settings-subsection {
    margin-bottom: 20px;
}

.settings-subsection-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

/* Preset Actions */
.preset-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
    white-space: nowrap;
}

.preset-select {
    flex: 1;
    padding: 6px 10px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: white;
    max-width: 200px;
}

.btn-preset {
    background: #f0f0f0;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.btn-preset:hover {
    background: #e0e0e0;
}

.btn-preset-danger {
    color: #d32f2f;
}

.btn-preset-danger:hover {
    background: #ffebee;
    border-color: #d32f2f;
}

/* Preset Delete Dialog */
.preset-delete-overlay {
    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: 2000;
}

.preset-delete-dialog {
    background: white;
    border-radius: 12px;
    padding: 20px;
    min-width: 300px;
    max-width: 400px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.preset-delete-dialog h3 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.preset-delete-list {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 16px;
}

.preset-delete-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.preset-delete-item:hover {
    background: #f5f5f5;
}

.preset-delete-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.preset-delete-item span {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.preset-delete-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-preset-delete-confirm {
    background: #d32f2f;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-preset-delete-confirm:hover {
    background: #c62828;
}

.btn-preset-delete-cancel {
    background: #f0f0f0;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-preset-delete-cancel:hover {
    background: #e0e0e0;
}

/* Estimate Dialog Styles */
.estimate-dialog-overlay {
    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: 2000;
}

.estimate-dialog {
    background: white;
    border-radius: 12px;
    padding: 24px;
    min-width: 400px;
    max-width: 500px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.estimate-dialog h3 {
    margin: 0 0 16px 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.estimate-list {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 16px;
    max-height: 300px;
}

.estimate-list-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.estimate-list-item:last-child {
    border-bottom: none;
}

.estimate-list-item:hover {
    background: #f5f5f5;
}

.estimate-list-item .estimate-name {
    flex: 1;
    font-weight: 500;
}

.estimate-list-item .estimate-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-right: 12px;
}

.btn-delete-estimate {
    background: #f44336;
    color: white;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

.btn-delete-estimate:hover {
    background: #d32f2f;
}

.estimate-list-item-checkbox {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.estimate-list-item-checkbox:last-child {
    border-bottom: none;
}

.estimate-list-item-checkbox:hover {
    background: #f5f5f5;
}

.estimate-list-item-checkbox input {
    margin-right: 12px;
    width: 18px;
    height: 18px;
}

.estimate-list-item-checkbox .estimate-name {
    flex: 1;
    font-weight: 500;
}

.estimate-list-item-checkbox .estimate-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.dialog-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-dialog-cancel {
    background: #f0f0f0;
    border: 1px solid var(--border-color);
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-dialog-cancel:hover {
    background: #e0e0e0;
}

.btn-dialog-combine {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-dialog-combine:hover:not(:disabled) {
    background: #444;
}

.btn-dialog-combine:disabled {
    background: #ccc;
    cursor: not-allowed;
}