/**
 * Balance Sheet Report Styles
 *
 * BEM naming convention: bs-{block}__{element}--{modifier}
 * Uses CSS custom properties from the main app theme.
 */

/* ============================================
   CSS Custom Properties (Balance Sheet specific)
   ============================================ */
:root {
    /* Section Colors */
    --bs-assets-accent: #2563eb;
    --bs-assets-bg: #dbeafe;
    --bs-assets-text: #1e40af;

    --bs-liabilities-accent: #dc2626;
    --bs-liabilities-bg: #fee2e2;
    --bs-liabilities-text: #991b1b;

    --bs-equity-accent: #7c3aed;
    --bs-equity-bg: #ede9fe;
    --bs-equity-text: #5b21b6;

    /* Status Colors */
    --bs-balanced-bg: #dcfce7;
    --bs-balanced-accent: #16a34a;
    --bs-balanced-text: #166534;

    --bs-unbalanced-bg: #fef3c7;
    --bs-unbalanced-accent: #d97706;
    --bs-unbalanced-text: #92400e;

    /* Spacing */
    --bs-row-height: 36px;
    --bs-indent-base: 20px;
    --bs-indent-step: 24px;
}

/* ============================================
   Page Layout
   ============================================ */
.bs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* ============================================
   Header
   ============================================ */
.bs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.bs-header__left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bs-header__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bs-assets-bg);
    border-radius: 0.5rem;
}

.bs-header__icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--bs-assets-accent);
}

.bs-header__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-800, #1f2937);
}

.bs-header__subtitle {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-gray-500, #6b7280);
}

.bs-header__center {
    text-align: center;
}

.bs-header__company {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-700, #374151);
}

.bs-header__date {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-gray-500, #6b7280);
}

.bs-header__actions {
    display: flex;
    gap: 0.5rem;
}

/* ============================================
   Filter Bar
   ============================================ */
.bs-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.bs-filters__group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bs-filters__label {
    font-size: 0.875rem;
    color: var(--color-gray-500, #6b7280);
    white-space: nowrap;
}

.bs-filters__input {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-gray-200, #e5e7eb);
    border-radius: 0.25rem;
    background: var(--color-gray-50, #f9fafb);
}

.bs-filters__input:focus {
    outline: none;
    border-color: var(--bs-assets-accent);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.bs-filters__checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.bs-filters__checkbox input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.bs-filters__spacer {
    flex: 1;
}

/* ============================================
   Summary Cards
   ============================================ */
.bs-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (max-width: 1024px) {
    .bs-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bs-summary {
        grid-template-columns: 1fr;
    }
}

.bs-summary-card {
    padding: 1rem 1.25rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--color-gray-300, #d1d5db);
}

.bs-summary-card--assets {
    border-left-color: var(--bs-assets-accent);
}

.bs-summary-card--liabilities {
    border-left-color: var(--bs-liabilities-accent);
}

.bs-summary-card--equity {
    border-left-color: var(--bs-equity-accent);
}

.bs-summary-card--balanced {
    border-left-color: var(--bs-balanced-accent);
    background: var(--bs-balanced-bg);
}

.bs-summary-card--unbalanced {
    border-left-color: var(--bs-unbalanced-accent);
    background: var(--bs-unbalanced-bg);
}

.bs-summary-card__label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--color-gray-500, #6b7280);
    margin-bottom: 0.25rem;
}

.bs-summary-card__value {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    color: var(--color-gray-800, #1f2937);
}

.bs-summary-card--assets .bs-summary-card__value {
    color: var(--bs-assets-accent);
}

.bs-summary-card--liabilities .bs-summary-card__value {
    color: var(--bs-liabilities-accent);
}

.bs-summary-card--equity .bs-summary-card__value {
    color: var(--bs-equity-accent);
}

.bs-summary-card__status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bs-summary-card__status-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.bs-summary-card__status-text {
    font-size: 0.875rem;
    font-weight: 600;
}

.bs-summary-card--balanced .bs-summary-card__status-text {
    color: var(--bs-balanced-text);
}

.bs-summary-card--unbalanced .bs-summary-card__status-text {
    color: var(--bs-unbalanced-text);
}

/* ============================================
   Report Table Container
   ============================================ */
.bs-report {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* ============================================
   Section Header
   ============================================ */
.bs-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.bs-section-header:hover {
    filter: brightness(0.98);
}

.bs-section-header--assets {
    background: var(--bs-assets-bg);
}

.bs-section-header--liabilities {
    background: var(--bs-liabilities-bg);
}

.bs-section-header--equity {
    background: var(--bs-equity-bg);
}

.bs-section-header__left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bs-section-header__chevron {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform 0.2s ease;
}

.bs-section-header--collapsed .bs-section-header__chevron {
    transform: rotate(-90deg);
}

.bs-section-header__title {
    font-size: 0.9375rem;
    font-weight: 600;
}

.bs-section-header--assets .bs-section-header__title,
.bs-section-header--assets .bs-section-header__chevron {
    color: var(--bs-assets-text);
}

.bs-section-header--liabilities .bs-section-header__title,
.bs-section-header--liabilities .bs-section-header__chevron {
    color: var(--bs-liabilities-text);
}

.bs-section-header--equity .bs-section-header__title,
.bs-section-header--equity .bs-section-header__chevron {
    color: var(--bs-equity-text);
}

.bs-section-header__total {
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
}

.bs-section-header--assets .bs-section-header__total {
    color: var(--bs-assets-text);
}

.bs-section-header--liabilities .bs-section-header__total {
    color: var(--bs-liabilities-text);
}

.bs-section-header--equity .bs-section-header__total {
    color: var(--bs-equity-text);
}

/* ============================================
   Subcategory Header
   ============================================ */
.bs-subcategory-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1.25rem 0.5rem 2.75rem;
    background: var(--color-gray-100, #f3f4f6);
    cursor: pointer;
}

.bs-subcategory-header:hover {
    background: var(--color-gray-200, #e5e7eb);
}

.bs-subcategory-header__left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bs-subcategory-header__chevron {
    width: 1rem;
    height: 1rem;
    color: var(--color-gray-500, #6b7280);
    transition: transform 0.2s ease;
}

.bs-subcategory-header--collapsed .bs-subcategory-header__chevron {
    transform: rotate(-90deg);
}

.bs-subcategory-header__title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700, #374151);
}

.bs-subcategory-header__total {
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    color: var(--color-gray-700, #374151);
}

/* ============================================
   Line Items (Account Rows)
   ============================================ */
.bs-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--bs-row-height);
    padding: 0 1.25rem;
    border-bottom: 1px solid var(--color-gray-100, #f3f4f6);
    transition: background-color 0.1s ease;
}

.bs-row:hover {
    background: var(--color-gray-50, #f9fafb);
}

.bs-row:nth-child(even) {
    background: rgba(249, 250, 251, 0.5);
}

.bs-row:nth-child(even):hover {
    background: var(--color-gray-100, #f3f4f6);
}

.bs-row--header {
    background: var(--color-gray-100, #f3f4f6);
    font-weight: 600;
}

.bs-row--contra {
    font-style: italic;
}

.bs-row--net-income {
    background: var(--bs-balanced-bg);
    border-bottom: none;
}

.bs-row__left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
}

.bs-row__code {
    font-size: 0.75rem;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    color: var(--color-gray-400, #9ca3af);
    width: 4rem;
    flex-shrink: 0;
}

.bs-row__name {
    font-size: 0.875rem;
    color: var(--color-gray-700, #374151);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bs-row--net-income .bs-row__name {
    font-weight: 500;
    color: var(--bs-balanced-text);
}

.bs-row__amount {
    font-size: 0.875rem;
    font-family: var(--font-mono, 'SF Mono', Monaco, monospace);
    color: var(--color-gray-700, #374151);
    text-align: right;
    min-width: 8rem;
}

.bs-row--net-income .bs-row__amount {
    font-weight: 600;
    color: var(--bs-balanced-accent);
}

/* Amount modifiers */
.bs-amount--negative {
    color: var(--bs-liabilities-accent);
}

.bs-amount--zero {
    color: var(--color-gray-400, #9ca3af);
}

/* ============================================
   Empty State
   ============================================ */
.bs-empty {
    padding: 2rem;
    text-align: center;
    color: var(--color-gray-500, #6b7280);
}

.bs-empty__icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    color: var(--color-gray-300, #d1d5db);
}

.bs-empty__text {
    font-size: 0.875rem;
}

/* ============================================
   Footer
   ============================================ */
.bs-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--color-gray-200, #e5e7eb);
    font-size: 0.75rem;
    color: var(--color-gray-500, #6b7280);
}

/* ============================================
   Buttons
   ============================================ */
.bs-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.bs-btn svg {
    width: 1.125rem;
    height: 1.125rem;
}

.bs-btn--secondary {
    background: white;
    border: 1px solid var(--color-gray-200, #e5e7eb);
    color: var(--color-gray-700, #374151);
}

.bs-btn--secondary:hover {
    background: var(--color-gray-50, #f9fafb);
    border-color: var(--color-gray-300, #d1d5db);
}

.bs-btn--primary {
    background: var(--bs-assets-accent);
    border: 1px solid var(--bs-assets-accent);
    color: white;
}

.bs-btn--primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .bs-container {
        max-width: 100%;
        padding: 0;
    }

    .bs-header__actions,
    .bs-filters {
        display: none;
    }

    .bs-summary-card,
    .bs-report {
        box-shadow: none;
        border: 1px solid #e5e7eb;
    }

    .bs-section-header__chevron,
    .bs-subcategory-header__chevron {
        display: none;
    }

    .bs-row:hover {
        background: inherit;
    }
}

/* ============================================
   Loading State
   ============================================ */
.bs-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.bs-loading__spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-gray-200, #e5e7eb);
    border-top-color: var(--bs-assets-accent);
    border-radius: 50%;
    animation: bs-spin 0.8s linear infinite;
}

@keyframes bs-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   HTMX Loading Indicator
   ============================================ */
.htmx-request .bs-loading {
    display: flex;
}

.htmx-request .bs-report-content {
    opacity: 0.5;
    pointer-events: none;
}