/* ============================================================================
   INVOICES SECTION STYLES
   ============================================================================ */

/* Admin Client Selector */
.admin-only-section {
    margin-bottom: 20px;
}

.invoice-client-select {
    width: 100%;
    max-width: 400px;
    padding: 10px 12px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-background);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.invoice-client-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Invoice Month Cards */
.invoice-month-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.invoice-month-header {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.invoice-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

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

.invoice-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.invoice-amount-wrapper {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.invoice-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
}

.invoice-amount.clickable {
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: underline;
    text-decoration-style: dotted;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(59, 130, 246, 0.3);
    user-select: none;
    -webkit-user-select: none;
}

.invoice-click-hint {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

.invoice-amount.clickable:hover,
.invoice-amount.clickable:active {
    color: var(--primary-hover);
    transform: scale(1.05);
}

.invoice-balance {
    font-size: 28px;
    font-weight: 700;
}

.invoice-balance.positive {
    color: var(--success-color);
}

.invoice-balance.negative {
    color: var(--error-color);
}

/* Grand Total Card */
.invoice-grand-total {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border-radius: 12px;
    padding: 24px;
    margin-top: 20px;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
    border: none;
}

.invoice-grand-total .invoice-label {
    color: rgba(255, 255, 255, 0.9);
}

.invoice-grand-total .invoice-balance {
    color: white;
    font-size: 32px;
}

/* Unpaid Invoices Modal */
.modal-large {
    max-width: 900px;
    width: 95%;
}

.invoice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 10px;
}

.invoice-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--background);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: pointer;
}

.invoice-grid-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.invoice-image-container {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-background);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.invoice-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(59, 130, 246, 0.3);
    user-select: none;
    -webkit-user-select: none;
}

.invoice-file-icon {
    font-size: 48px;
}

.invoice-filename {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    word-break: break-word;
    max-width: 100%;
}

.invoice-file-amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Loading and Empty States */
.invoice-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.invoice-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.invoice-empty svg {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .invoice-summary {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .invoice-month-card {
        padding: 16px;
    }

    .invoice-amount {
        font-size: 20px;
    }

    .invoice-balance {
        font-size: 24px;
    }

    .invoice-grand-total .invoice-balance {
        font-size: 28px;
    }

    .invoice-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .modal-large {
        max-width: 100%;
        margin: 10px;
    }
}

/* Dark Mode Adjustments for Invoices */
body.dark-mode .invoice-month-card {
    background: rgba(30, 41, 59, 0.98);
    border-color: rgba(71, 85, 105, 0.4);
}

body.dark-mode .invoice-grid-item {
    background: rgba(51, 65, 85, 0.5);
    border-color: var(--border-color);
}

body.dark-mode .invoice-grid-item:hover {
    border-color: var(--primary-color);
    background: rgba(51, 65, 85, 0.8);
}

body.dark-mode .invoice-image-container {
    background: rgba(51, 65, 85, 0.8);
    border-color: var(--border-color);
}