/* =========================================
   Catatins - View/Page-Specific Styles
   Home, Reports, Settings, Split Bill, Chat
   ========================================= */

/* ==================
   Main Content Area
   ================== */
.app-content {
    flex: 1;
    padding: var(--spacing-md);
    padding-bottom: calc(100px + var(--spacing-md) + var(--safe-bottom));
    overflow-y: auto;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* ==================
   Transactions List
   ================== */
.transactions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.transaction-day-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.transaction-group-header {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-left: 4px;
}

.transaction-group-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    background-color: transparent;
    border-bottom: 0.5px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.transaction-item:hover {
    opacity: 0.8;
}

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

.transaction-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.transaction-icon.income {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.transaction-icon.expense {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
}

.transaction-icon svg {
    width: 22px;
    height: 22px;
}

.transaction-info {
    flex: 1;
    min-width: 0;
}

.transaction-category {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text);
    margin-bottom: 2px;
}

.transaction-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-amount {
    text-align: right;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.transaction-amount .amount {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
    text-align: right;
}

.transaction-amount .amount.income {
    color: var(--color-success);
}

.transaction-amount .amount.expense {
    color: var(--color-danger);
}

.transaction-amount .date {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: right;
    width: 100%;
}

/* ==================
   AI Chat View
   ================== */
#aiChatView {
    display: none;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
    background-color: var(--color-bg);
}

#aiChatView.active {
    display: flex;
}

.chat-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 0.5px solid var(--color-border);
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.chat-header-info h3 {
    font-size: 1rem;
    margin: 0;
}

.chat-header-info .status {
    font-size: 0.75rem;
    color: var(--color-success);
    transition: color 0.3s;
}

.chat-header-info .status.offline {
    color: var(--color-danger);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 24px;
}

.message {
    max-width: 85%;
    display: flex;
    flex-direction: column;
}

.message-content {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.9375rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.message.system {
    align-self: flex-start;
}

.message.system .message-content {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.message.user {
    align-self: flex-end;
}

.message.user .message-content {
    background-color: var(--color-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-input-area {
    padding: 12px 16px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom));
    background-color: var(--color-bg);
    border-top: 0.5px solid var(--color-border);
    flex-shrink: 0;
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-bg-alt);
    padding: 6px 6px 6px 16px;
    border-radius: 24px;
    border: 1px solid var(--color-border);
}

.chat-input-wrapper input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
    padding: 8px 0;
}

#sendChatBtn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s;
}

#sendChatBtn:active {
    transform: scale(0.9);
}

#sendChatBtn svg {
    width: 16px;
    height: 16px;
}

.message.typing .message-content {
    display: flex;
    gap: 4px;
    padding: 12px 18px;
}

.dot {
    width: 6px;
    height: 6px;
    background: var(--color-text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.dot:nth-child(1) {
    animation-delay: -0.32s;
}

.dot:nth-child(2) {
    animation-delay: -0.16s;
}

/* ==================
   Reports Table
   ================== */
.table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.report-table th,
.report-table td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 0.5px solid var(--color-border);
}

.report-table td {
    font-size: 0.8125rem;
}

.clickable-row {
    cursor: pointer;
    transition: background-color 0.2s;
}

.clickable-row:hover {
    background-color: var(--color-bg-alt);
}

.report-table th:first-child,
.report-table td:first-child {
    padding-left: 0;
}

.report-table th:last-child,
.report-table td:last-child {
    padding-right: 0;
}

.report-table .td-date {
    white-space: nowrap;
    width: 45px;
    color: var(--color-text-secondary);
}

.report-table .td-category {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.report-table .td-desc {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.report-table .td-amount {
    text-align: right;
    font-weight: 600;
    white-space: nowrap;
}

.report-table th {
    background-color: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.report-table td.amount {
    font-weight: 600;
    text-align: right;
}

.report-table td.amount.income {
    color: var(--color-success);
}

.report-table td.amount.expense {
    color: var(--color-danger);
}

/* ==================
   Export Section
   ================== */
.export-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.section-title-sm {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.export-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.export-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.export-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

.export-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 4px;
}

.export-btn.excel .export-icon {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.export-btn.pdf .export-icon {
    background-color: #ffebee;
    color: #c62828;
}

.export-btn span {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
}

.export-btn svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 360px) {
    .export-grid {
        grid-template-columns: 1fr;
    }
}

.recurring-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.recurring-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.recurring-info {
    flex: 1;
}

.recurring-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.recurring-detail {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.recurring-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.recurring-item.inactive {
    opacity: 0.5;
}

.recurring-item.inactive .recurring-name {
    text-decoration: line-through;
}

/* ==================
   Split Bill
   ================== */
.split-bill-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.upload-area:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.upload-area svg {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-area p {
    font-weight: 500;
    color: var(--color-text);
}

.upload-area span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.split-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.split-divider::before,
.split-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.split-divider span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: lowercase;
}

.ocr-preview {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ocr-preview img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
}

.ocr-status {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    gap: var(--spacing-sm);
}

.split-items h4,
.split-people h4,
.split-result h4 {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.items-list,
.result-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.people-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.split-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.split-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.split-item .item-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.split-item .item-name {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
}

.split-item .item-name:focus {
    outline: none;
}

.split-item .item-price-input {
    width: 120px;
    text-align: right;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: border-color 0.2s;
}

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

.split-item .item-delete {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-danger-light);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-danger);
    cursor: pointer;
    transition: all 0.2s;
}

.split-item .item-delete:hover {
    background: var(--color-danger);
    color: white;
}

.split-item .item-delete svg {
    width: 16px;
    height: 16px;
}

.split-item .item-assign {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: var(--spacing-xs);
    border-top: 1px dashed var(--color-border);
}

.person-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 12px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 99px;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: all 0.2s;
}

.person-tag:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.person-tag button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: inherit;
    display: flex;
}

.person-chip {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--color-text);
}

.person-chip.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.person-chip:hover:not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.add-person-form {
    display: flex;
    gap: var(--spacing-sm);
}

.add-person-form input {
    flex: 1;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg-secondary) 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.result-item .person-name {
    font-weight: 600;
    color: var(--color-text);
}

.result-item .person-total {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-primary);
}

/* ==================
   Settings
   ================== */
.settings-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.settings-section {
    margin-bottom: var(--spacing-lg);
}

.settings-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0 var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25px;
}

.settings-group {
    background-color: transparent;
    margin-bottom: var(--spacing-lg);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 0;
    background-color: transparent;
    border: none;
    border-bottom: 0.5px solid var(--color-border);
    font-size: 1.05rem;
    color: var(--color-text);
    cursor: pointer;
    transition: opacity 0.2s;
    text-align: left;
}

.settings-item:active {
    opacity: 0.6;
    background-color: var(--color-bg-alt);
}

[data-theme="dark"] .settings-item {
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

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

.settings-select {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    cursor: pointer;
}

.settings-item.danger {
    color: var(--color-danger);
}

.settings-item.danger:hover {
    background-color: var(--color-danger-light);
}

.settings-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
}

/* ==================
   Receipt Upload
   ================== */
.receipt-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.receipt-upload:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.receipt-upload svg {
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.receipt-upload span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.receipt-preview {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.receipt-preview img {
    width: 100%;
    max-height: 150px;
    object-fit: cover;
}

.remove-receipt {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
}

.remove-receipt svg {
    width: 16px;
    height: 16px;
}

/* ==================
   Month Picker
   ================== */
.year-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.year-nav button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s;
}

.year-nav button:hover {
    background-color: var(--color-bg-alt);
}

.year-nav span {
    font-size: 1.125rem;
    font-weight: 600;
}

.months-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.month-btn {
    padding: var(--spacing-sm);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.month-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* ==================
   Categories Modal
   ================== */
.categories-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s;
}

.category-item:hover {
    background-color: var(--color-bg-alt);
}

.category-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
}

.category-icon svg {
    width: 18px;
    height: 18px;
}

.category-name {
    flex: 1;
    font-weight: 500;
}

.add-category-form {
    display: flex;
    gap: var(--spacing-sm);
}

.add-category-form input {
    flex: 1;
}

/* ==================
   Mobile Responsive
   ================== */
@media (max-width: 480px) {
    .split-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .split-item .item-price-input {
        width: 100%;
    }

    .split-item .item-assign {
        padding-top: var(--spacing-xs);
    }
}

/* ==================
   Premium Chart Styles
   ================== */
.reports-chart-container {
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.chart-header {
    margin-bottom: 20px;
}

.chart-header h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 4px 0;
}

.chart-subtitle {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.chart-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
    width: 100%;
}

/* Category Allocation Progress Bars */
.category-progress-item {
    margin-bottom: 20px;
}

.category-progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.cat-name {
    font-weight: 600;
    color: var(--color-text);
}

.cat-value {
    font-weight: 700;
    color: var(--color-text-secondary);
}

.progress-bar-bg {
    height: 10px;
    background-color: var(--color-bg-alt);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .progress-bar-bg {
    background-color: rgba(255, 255, 255, 0.05);
}