/* State management */
.utb-state {
    display: none;
}

.utb-state.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
}

/* Setup State */
.utb-setup-header {
    padding: 0 4px;
}

.utb-property-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.utb-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.utb-input {
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
}

.utb-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.utb-input::placeholder {
    color: var(--color-text-faint);
}

/* Setup Actions */
.utb-setup-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 4px;
}

.utb-start-walk-btn {
    padding: 14px 24px;
    border-radius: var(--radius-lg);
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-start-walk-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-primary);
}

.utb-start-walk-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.utb-load-btn {
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-load-btn:hover {
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

/* ==================== */

/* Capture State (Phone) */

/* ==================== */
#utb-capture {
    padding: 0 4px;
}

.utb-capture-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
}

.utb-capture-counter {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}

.utb-capture-property {
    font-size: 12px;
    color: var(--color-text-muted);
}

.utb-capture-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-card);
}

.utb-capture-label-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.utb-capture-unit-num {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.utb-capture-label {
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    outline: none;
    text-align: center;
}

.utb-capture-label:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.utb-capture-label::placeholder {
    color: var(--color-text-faint);
    font-weight: 400;
}

.utb-capture-dropzone {
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
    padding: 28px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-text-muted);
    min-height: 80px;
}

.utb-capture-dropzone:hover,
.utb-capture-dropzone:active {
    border-color: var(--color-primary);
    background: var(--color-primary-bg-hover);
    color: var(--color-primary);
}

.utb-capture-dropzone span {
    font-size: 14px;
    font-weight: 500;
}

.utb-capture-photo-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.utb-capture-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.utb-save-unit-btn {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    margin-left: auto;
}

.utb-save-unit-btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-primary);
}

.utb-save-unit-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.utb-finish-walk-btn {
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}

.utb-finish-walk-btn:hover {
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

/* Photo Thumbnails (shared) */
.utb-photo-thumb {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-medium);
}

.utb-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.utb-photo-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s;
    line-height: 1;
}

.utb-photo-thumb:hover .utb-photo-remove {
    opacity: 1;
}

/* On mobile, always show remove button */
@media (pointer: coarse) {
    .utb-photo-remove {
        opacity: 1;
    }
}

.utb-more-photos-btn {
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-more-photos-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ==================== */

/* Load Project State   */

/* ==================== */
.utb-load-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.utb-load-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.utb-load-back-btn {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
    cursor: pointer;
}

.utb-load-back-btn:hover {
    color: var(--color-text);
}

.utb-project-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.utb-project-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    transition: border-color 0.15s;
}

.utb-project-card:hover {
    border-color: var(--color-primary);
}

.utb-project-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.utb-project-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.utb-project-meta {
    font-size: 12px;
    color: var(--color-text-muted);
}

.utb-project-load-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-project-load-btn:hover {
    background: var(--color-primary-hover);
}

.utb-loading {
    padding: 24px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
}

/* ==================== */

/* Editor State         */

/* ==================== */
#utb-edit {
    overflow: hidden;
}

.utb-edit-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.utb-edit-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.utb-edit-prev,
.utb-edit-next {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.utb-edit-prev:hover:not(:disabled),
.utb-edit-next:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.utb-edit-prev:disabled,
.utb-edit-next:disabled {
    opacity: 0.3;
    cursor: default;
}

.utb-edit-unit-select {
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    outline: none;
}

.utb-tier-toggle {
    display: flex;
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.utb-tier-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-tier-btn.active {
    background: var(--color-primary);
    color: #fff;
}

.utb-tier-btn:not(.active):hover {
    color: var(--color-text);
}

.utb-edit-markup-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.utb-edit-markup-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 4px;
}

.utb-edit-markup-input {
    width: 56px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    outline: none;
}

.utb-edit-markup-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.utb-edit-markup-pct {
    font-size: 12px;
    color: var(--color-text-muted);
}

.utb-edit-body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* Editor Photos */
.utb-edit-photos {
    display: flex;
    gap: 8px;
    padding-bottom: 12px;
    overflow-x: auto;
}

.utb-edit-photo {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-medium);
    flex-shrink: 0;
}

.utb-edit-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.utb-selectable-photo {
    cursor: pointer;
    position: relative;
    opacity: 0.5;
    transition: all 0.15s;
}

.utb-selectable-photo:hover {
    opacity: 0.8;
}

.utb-selectable-photo.selected {
    opacity: 1;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary);
}

.utb-photo-sel-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
}

.utb-selectable-photo.selected .utb-photo-sel-badge {
    display: flex;
}

.utb-photo-sel-hint {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted);
    padding-bottom: 8px;
}

/* Editor Table */
.utb-edit-table-wrap {
    margin-bottom: 12px;
}

.utb-edit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.utb-edit-table th {
    text-align: left;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 4px;
    border-bottom: 1px solid var(--color-border-medium);
}

.utb-edit-table td {
    padding: 4px;
    border-bottom: 1px solid var(--color-border);
}

.utb-edit-field {
    width: 100%;
    background: var(--color-bg-subtle);
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 6px 8px;
    font-size: 12px;
    color: var(--color-text);
    outline: none;
    font-family: inherit;
}

.utb-edit-field:focus {
    border-color: var(--color-primary);
    background: var(--color-bg);
}

.utb-edit-item {
    min-width: 120px;
}

.utb-edit-desc {
    min-width: 160px;
}

.utb-edit-cost {
    width: 80px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.utb-bid-price {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 12px;
    padding: 4px 8px;
}

.utb-edit-remove-row {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--color-text-faint);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.utb-edit-remove-row:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.utb-edit-total-row td {
    border-top: 1px solid var(--color-border-medium);
    border-bottom: none;
    padding-top: 8px;
}

.utb-edit-add-row {
    margin-top: 8px;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--color-border-strong);
    background: transparent;
    color: var(--color-text-muted);
    font-size: 12px;
    cursor: pointer;
}

.utb-edit-add-row:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Editor Narrative */
.utb-edit-narrative-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.utb-edit-narrative {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 13px;
    color: var(--color-text);
    outline: none;
    resize: vertical;
    font-family: inherit;
    line-height: 1.5;
}

.utb-edit-narrative:focus {
    border-color: var(--color-primary);
    background: var(--color-bg);
}

/* Editor Footer */
.utb-edit-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--color-border-medium);
    padding-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.utb-edit-totals {
    display: flex;
    align-items: center;
    gap: 16px;
}

.utb-edit-total-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.utb-edit-total-costs {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-left: auto;
}

.utb-edit-total-bid {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}

.utb-edit-actions {
    display: flex;
    gap: 10px;
}

/* ==================== */

/* Results State        */

/* ==================== */
#utb-results {
    overflow-y: auto;
}

.utb-progress {
    padding: 4px 0 12px;
}

.utb-progress-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.utb-progress-bar {
    height: 4px;
    background: var(--color-bg-muted);
    border-radius: 2px;
    overflow: hidden;
}

.utb-progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.utb-grand-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
}

.utb-grand-total-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.utb-grand-total-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Result Cards */
.utb-results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.utb-result-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.utb-result-unit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}

.utb-result-unit-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.utb-result-status {
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
}

.utb-result-status.analyzing {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.utb-result-status.done {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.utb-result-status.error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.utb-result-body {
    padding: 16px;
}

/* Line Items Table */
.utb-line-items {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.utb-line-items th {
    text-align: left;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--color-border-medium);
}

.utb-line-items td {
    padding: 8px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.utb-line-items tfoot td {
    border-bottom: none;
    border-top: 1px solid var(--color-border-medium);
    padding-top: 10px;
}

.utb-cost {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.utb-narrative {
    margin-top: 12px;
    padding: 10px 12px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-style: italic;
}

.utb-error {
    color: var(--color-error);
    font-size: 13px;
    margin: 0;
}

/* Typing indicator */
.utb-typing {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.utb-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-faint);
    animation: utbBounce 1.4s ease-in-out infinite;
}

.utb-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.utb-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes utbBounce {
    0%,
    80%,
    100% {
        transform: scale(0.6);
        opacity: 0.4;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Results Actions */
.utb-results-actions {
    display: flex;
    gap: 10px;
    padding: 12px 4px 4px;
}

.utb-export-btn {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-export-btn:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-primary);
}

.utb-chat-btn {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-medium);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.utb-chat-btn:hover {
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

/* Chat State */
#utb-chat {
    height: 100%;
}

.utb-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
    min-height: 0;
}

.utb-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 0 4px;
    border-top: 1px solid var(--color-border-medium);
}

.utb-chat-input {
    flex: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text);
    outline: none;
    resize: none;
    font-family: inherit;
    line-height: 1.4;
}

.utb-chat-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.utb-chat-input::placeholder {
    color: var(--color-text-faint);
}

.utb-send-btn {
    flex-shrink: 0;
}