/* Toast, loader, pagination — shared UI components */

.inv-toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 10002;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: min(360px, calc(100vw - 32px));
}

.inv-toast {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--inv-radius);
    box-shadow: var(--inv-shadow);
    border: 1px solid var(--inv-outline-variant);
    background: var(--inv-surface);
    color: var(--inv-on-bg);
    font-size: 14px;
    line-height: 20px;
    animation: inv-toast-in 0.2s ease;
}

@keyframes inv-toast-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.inv-toast--success { border-left: 4px solid var(--inv-success-text); }
.inv-toast--error { border-left: 4px solid var(--inv-error); }
.inv-toast--warning { border-left: 4px solid #f59e0b; }
.inv-toast--info { border-left: 4px solid var(--inv-accent); }

.inv-toast-icon { font-size: 20px; flex-shrink: 0; }
.inv-toast--success .inv-toast-icon { color: var(--inv-success-text); }
.inv-toast--error .inv-toast-icon { color: var(--inv-error); }
.inv-toast--warning .inv-toast-icon { color: #f59e0b; }
.inv-toast--info .inv-toast-icon { color: var(--inv-primary-dark); }

.inv-toast-text { flex: 1; }

.inv-toast-close {
    padding: 0;
    color: var(--inv-secondary);
    line-height: 1;
}

.inv-toast-close:hover { color: var(--inv-on-bg); }

/* Loader overlay */
.inv-loader {
    position: fixed;
    inset: 0;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 245, 245, 0.72);
    backdrop-filter: blur(2px);
}

.inv-loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--inv-outline-variant);
    border-top-color: var(--inv-primary);
    border-radius: 50%;
    animation: inv-spin 0.7s linear infinite;
}

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

/* Pagination */
.inv-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 16px;
    padding: 12px 16px;
    border-top: 1px solid var(--inv-outline-variant);
    background: linear-gradient(180deg, #FFFFFF 0%, #FAFBFC 100%);
}

.inv-pagination-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    flex: 1 1 auto;
    min-width: 0;
}

.inv-pagination-size {
    display: inline-flex;
    align-items: stretch;
    flex: 0 0 auto;
    height: 32px;
    border: 1px solid var(--inv-outline-variant);
    border-radius: 8px;
    background: #FFFFFF;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(27, 33, 45, 0.04);
}

.inv-pagination-size-label {
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    margin: 0;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--inv-secondary);
    white-space: nowrap;
    background: #F7F8FA;
    border-right: 1px solid var(--inv-outline-variant);
}

.inv-pagination-size-control {
    display: inline-flex;
    align-items: center;
    position: relative;
    min-width: 0;
}

.inv-pagination-size-select {
    display: block;
    width: 100%;
    height: 32px;
    min-width: 52px;
    max-width: 72px;
    padding: 0 24px 0 8px;
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    line-height: 32px;
    color: var(--inv-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-sizing: border-box;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236F7782' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

.inv-pagination-size-select:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--inv-accent-container);
}

.inv-pagination-summary {
    flex: 0 1 auto;
    min-width: 0;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--inv-secondary);
    white-space: nowrap;
}

.inv-pagination-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex: 0 0 auto;
    margin-left: auto;
}

.inv-pagination-controls {
    display: flex;
    align-items: center;
}

.inv-pagination-nav {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 4px;
    border: 1px solid var(--inv-outline-variant);
    border-radius: 12px;
    background: #FFFFFF;
    box-shadow: 0 1px 2px rgba(27, 33, 45, 0.04);
}

.inv-pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    color: var(--inv-primary);
    transition: background 0.2s, color 0.2s;
}

.inv-pagination-btn .material-symbols-outlined {
    font-size: 20px;
}

.inv-pagination-btn:hover:not(:disabled):not(.inv-pagination-btn--active) {
    background: #F7F8FA;
}

.inv-pagination-btn--active {
    background: var(--inv-primary-container);
    color: var(--inv-primary);
    box-shadow: inset 0 0 0 1px rgba(27, 33, 45, 0.06);
}

.inv-pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .inv-pagination {
        flex-direction: column;
        align-items: stretch;
    }

    .inv-pagination-left {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .inv-pagination-size {
        width: 100%;
        max-width: 100%;
    }

    .inv-pagination-size-control {
        flex: 1 1 auto;
    }

    .inv-pagination-size-select {
        max-width: none;
    }

    .inv-pagination-summary {
        text-align: left;
    }

    .inv-pagination-right {
        margin-left: 0;
        justify-content: center;
    }
}

.inv-btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 6px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    vertical-align: -2px;
    animation: inv-spin 0.7s linear infinite;
}

/* Confirm dialog */
body.inv-confirm-open { overflow: hidden; }

.inv-confirm-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(27, 33, 45, 0.45);
    backdrop-filter: blur(2px);
    animation: inv-confirm-fade-in 0.2s ease;
}

.inv-confirm-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 10001;
    width: min(420px, calc(100vw - 32px));
    padding: 28px 24px 24px;
    border-radius: var(--inv-radius-lg);
    border: var(--inv-border-width) solid var(--inv-outline-variant);
    background: var(--inv-surface);
    box-shadow: none;
    text-align: center;
    transform: translate(-50%, -50%);
    animation: inv-confirm-slide-in 0.2s ease;
}

@keyframes inv-confirm-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes inv-confirm-slide-in {
    from { opacity: 0; transform: translate(-50%, calc(-50% + 12px)); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

.inv-confirm-modal__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    border-radius: 50%;
}

.inv-confirm-modal__icon .material-symbols-outlined {
    font-size: 28px;
}

.inv-confirm-modal__icon--danger {
    background: var(--inv-error-container);
    color: var(--inv-error);
}

.inv-confirm-modal__icon--primary {
    background: var(--inv-primary-container);
    color: var(--inv-primary);
}

.inv-confirm-modal__title {
    margin: 0 0 8px;
    font-family: var(--inv-font-display);
    font-size: 20px;
    line-height: 28px;
    font-weight: 600;
    color: var(--inv-on-bg);
}

.inv-confirm-modal__message {
    margin: 0 0 24px;
    font-size: 14px;
    line-height: 22px;
    color: var(--inv-secondary);
}

.inv-confirm-modal__actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.inv-confirm-modal--alert .inv-confirm-modal__message {
    margin-bottom: 20px;
}

.inv-confirm-modal__actions--single {
    justify-content: center;
}

.inv-confirm-btn {
    min-width: 110px;
    padding: 10px 16px;
    border-radius: var(--inv-radius);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.inv-confirm-btn--cancel {
    background: var(--inv-surface-bright);
    border-color: var(--inv-outline-variant);
    color: var(--inv-primary);
}

.inv-confirm-btn--cancel:hover {
    background: var(--inv-surface-container);
}

.inv-confirm-btn--danger {
    background: var(--inv-error);
    color: var(--inv-white);
}

.inv-confirm-btn--danger:hover {
    background: #9b1515;
}

.inv-confirm-btn--primary {
    background: var(--inv-btn-primary-bg);
    color: var(--inv-white);
}

.inv-confirm-btn--primary:hover {
    background: var(--inv-btn-primary-hover);
}

.inv-confirm-modal--prompt {
    width: min(480px, calc(100vw - 32px));
    text-align: left;
}

.inv-confirm-modal--prompt .inv-confirm-modal__icon {
    display: flex;
}

.inv-confirm-modal--prompt .inv-confirm-modal__title,
.inv-confirm-modal--prompt .inv-confirm-modal__message {
    text-align: left;
}

.inv-confirm-modal__field {
    margin: 0 0 20px;
}

.inv-confirm-modal__label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--inv-primary);
}

.inv-confirm-modal__input {
    width: 100%;
    min-height: 88px;
    padding: 10px 12px;
    border: var(--inv-border-width) solid var(--inv-input-border);
    border-radius: var(--inv-radius);
    font-size: 14px;
    font-family: inherit;
    line-height: 1.45;
    resize: vertical;
    box-sizing: border-box;
}

.inv-confirm-modal__input:focus {
    outline: none;
    border-color: var(--inv-accent);
}

.inv-confirm-modal__date {
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    border: var(--inv-border-width) solid var(--inv-input-border);
    border-radius: var(--inv-radius);
    font-size: 14px;
    font-family: inherit;
    box-sizing: border-box;
}

.inv-confirm-modal__date:focus {
    outline: none;
    border-color: var(--inv-accent);
}

.inv-confirm-modal__error {
    margin: 6px 0 0;
    font-size: 12px;
    line-height: 1.4;
    color: var(--inv-error);
}

.inv-confirm-modal--prompt .inv-confirm-modal__actions {
    justify-content: flex-end;
}

.inv-sale-payment-summary {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--inv-border, #e5e7eb);
    border-radius: 12px;
    background: var(--inv-surface-muted, #f8fafc);
}

.inv-sale-payment-summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    color: var(--inv-text-muted, #64748b);
}

.inv-sale-payment-summary-row strong {
    color: var(--inv-primary, #1e293b);
    font-size: 15px;
}

.inv-sale-payment-summary-row--pending strong {
    color: #C62828;
}

.inv-sale-payment-history-table td,
.inv-sale-payment-history-table th {
    white-space: nowrap;
}

.inv-add-payment-dates {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.inv-add-payment-dates:has(#purchase-add-payment-next-due-wrap.inv-hidden) {
    grid-template-columns: minmax(0, 1fr);
}

.inv-add-payment-date-col {
    min-width: 0;
}

.inv-add-payment-date-col label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--inv-primary);
}

/* Tooltip */
.inv-tooltip {
    position: relative;
}

.inv-tooltip::before,
.inv-tooltip::after {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 20;
}

.inv-tooltip::after {
    content: attr(data-tooltip);
    bottom: calc(100% + 8px);
    padding: 5px 10px;
    border-radius: 6px;
    background: var(--inv-primary);
    color: var(--inv-white);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    box-shadow: var(--inv-shadow);
}

.inv-tooltip::before {
    content: "";
    bottom: calc(100% + 2px);
    border: 5px solid transparent;
    border-top-color: var(--inv-primary);
}

.inv-tooltip:hover::before,
.inv-tooltip:hover::after,
.inv-tooltip:focus-visible::before,
.inv-tooltip:focus-visible::after {
    opacity: 1;
}

.inv-tooltip:focus-visible {
    outline: 2px solid var(--inv-primary-container);
    outline-offset: 2px;
}

/* Form modal */
body.inv-modal-open { overflow: hidden; }

.inv-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
}

.inv-modal-backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: rgba(27, 33, 45, 0.45);
    backdrop-filter: blur(2px);
}

.inv-modal-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 1;
    transform: translate(-50%, -50%);
    width: min(640px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: #FFFFFF;
    border-radius: var(--inv-radius-lg);
    box-shadow: none;
    border: var(--inv-border-width) solid var(--inv-outline-variant);
}

.inv-modal-dialog::-webkit-scrollbar {
    display: none;
}

.inv-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 24px 0;
}

.inv-modal-header h3 {
    margin: 0;
    font-family: var(--inv-font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--inv-primary);
}

.inv-modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid #EEF0F4;
    background: #FFFFFF;
    color: var(--inv-secondary);
    cursor: pointer;
}

.inv-modal-close:hover {
    background: #F7F8FA;
    color: var(--inv-primary);
}

.inv-modal-body {
    padding: 20px 24px;
}

.inv-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 0 24px 24px;
}

.inv-modal-dialog--wide {
    width: min(860px, calc(100vw - 32px));
}

.inv-modal-dialog--print-preview {
    width: calc(100vw - 24px);
    max-width: 1680px;
    height: calc(100vh - 24px);
    max-height: calc(100vh - 24px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.inv-modal-dialog--print-preview .inv-modal-body {
    flex: 1;
    min-height: 0;
    min-width: 0;
    padding: 16px 20px;
    overflow: hidden;
}

.inv-modal-dialog--print-preview .inv-modal-footer {
    flex-shrink: 0;
}