/* ============================================================================
   Modal + Generic Form (Shared)
   ============================================================================ */

/* Variables extension */
/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: var(--modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-high);
    padding: var(--spacing-xl);
}

/* Top-aligned modal - anchored to top of viewport */
.modal--top {
    align-items: flex-start;
    padding-top: 5vh;
}

.modal__dialog {
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--color-border);
    /* Allow user to resize modal */
    resize: both;
    overflow: hidden;
    min-width: 320px;
    min-height: 200px;
}

.modal__dialog--sm {
    max-width: 480px;
}

.modal__dialog--md {
    max-width: 720px;
}

.modal__dialog--lg {
    max-width: 960px;
}

.modal__dialog--extra-large {
    max-width: 1400px;
    width: 98%;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.modal__title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
}

/* Corner action button */
.modal__corner-action {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.modal__corner-action:hover {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
}

.modal__header--with-corner-action .modal__title {
    margin-left: 50px;
}

/* Header with actions - use CSS grid for two-row layout */
.modal__header--with-actions {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-rows: auto auto;
    gap: 0 var(--spacing-sm);
    align-items: start;
}

.modal__header--with-actions .modal__title {
    grid-column: 1 / 3;
    grid-row: 1;
    align-self: center;
}

.modal__header--with-actions .modal__close {
    grid-column: 3;
    grid-row: 1;
    align-self: center;
}

/* Second row: meta on left, actions on right */
.modal__header--with-actions .modal__header-meta {
    grid-column: 1;
    grid-row: 2;
    justify-self: start;
    margin-top: 4px;
}

.modal__header--with-actions .modal__header-actions {
    grid-column: 2 / 4;
    grid-row: 2;
    justify-self: end;
    margin-top: 4px;
}

/* Header meta (breadcrumbs) */
.modal__header-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-size: 11px;
}

.modal__header-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.modal__header-meta-item i {
    color: var(--color-text-muted);
    font-size: 0.8em;
}

.modal__header-meta-divider {
    width: 3px;
    height: 3px;
    background: var(--color-border);
    border-radius: 50%;
}

.modal__header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.modal__header-action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.modal__header-action-btn:hover {
    background: var(--color-card-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.modal__header-action-btn i {
    font-size: 0.8rem;
}

/* Action button color variants on hover */
.modal__header-action-btn[data-action="times"]:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.modal__header-action-btn[data-action="bill"]:hover {
    border-color: var(--color-success);
    color: var(--color-success);
}

.modal__header-action-btn[data-action="checklist"]:hover {
    border-color: var(--color-info);
    color: var(--color-info);
}

.modal__header-action-btn[data-action="activity"]:hover {
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.modal__header-action-btn[data-action="convert"]:hover {
    border-color: var(--color-pink);
    color: var(--color-pink);
}

.modal__close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-lg);
}

.modal__body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.modal__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.modal__button--primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.modal__button--primary:hover {
    background: var(--color-primary-hover);
}

.modal__button--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.modal__button--danger {
    background: var(--color-danger);
    color: var(--color-on-primary);
}

.modal__button--danger:hover {
    background: var(--color-danger-hover, #dc2626);
}

.modal__button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Loading overlay for modal */
.modal__loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--color-modal-bg);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-popover);
    border-radius: var(--radius-lg);
}

.modal__loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.modal__loading-spinner i {
    font-size: 2rem;
    color: var(--color-primary);
    animation: spin 1s linear infinite;
}

.modal__loading-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

/* Generic form */
.form {
    width: 100%;
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.form__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form__hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form__subheading {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form__input,
.form__select,
.form__textarea {
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-input-bg);
    color: var(--color-input-text);
    transition: all var(--transition-fast);
    width: 100%;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 88px;
}

.form__inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================================================
   MODAL SKELETON LOADING STATES
   Reusable skeleton components for loading states in modals
   ============================================================================ */

@keyframes modal-skeleton-pulse {
    0% { opacity: 0.4; }
    50% { opacity: 0.7; }
    100% { opacity: 0.4; }
}

/* Base skeleton styles */
.modal-skeleton {
    width: 100%;
    min-height: 200px;
}

/* Skeleton elements */
.modal-skeleton__line,
.modal-skeleton__icon,
.modal-skeleton__avatar,
.modal-skeleton__input,
.modal-skeleton__box {
    background: var(--color-border);
    border-radius: var(--radius-sm);
    animation: modal-skeleton-pulse 1.5s ease-in-out infinite;
}

/* Line sizes */
.modal-skeleton__line {
    height: 12px;
    margin-bottom: 8px;
}

.modal-skeleton__line:last-child {
    margin-bottom: 0;
}

.modal-skeleton__line--xs {
    height: 8px;
    width: 40%;
}

.modal-skeleton__line--sm {
    height: 12px;
    width: 60%;
}

.modal-skeleton__line--md {
    height: 14px;
    width: 70%;
}

.modal-skeleton__line--lg {
    height: 16px;
    width: 85%;
}

.modal-skeleton__line--full {
    width: 100%;
}

/* Icon skeleton */
.modal-skeleton__icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-xs);
    flex-shrink: 0;
}

/* Avatar skeleton */
.modal-skeleton__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Input skeleton */
.modal-skeleton__input {
    height: 38px;
    width: 100%;
}

/* Box skeleton (for larger blocks) */
.modal-skeleton__box {
    height: 120px;
    width: 100%;
}

/* ============================================================================
   GRID LAYOUT SKELETON
   ============================================================================ */

.modal-skeleton--grid {
    display: flex;
    gap: var(--spacing-md);
}

.modal-skeleton--grid .modal-skeleton__main {
    flex: 1;
}

.modal-skeleton--grid .modal-skeleton__cards {
    display: grid;
    grid-template-columns: repeat(var(--columns, 2), 1fr);
    gap: var(--spacing-sm);
}

.modal-skeleton--grid .modal-skeleton__card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.modal-skeleton--grid .modal-skeleton__card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.modal-skeleton--grid .modal-skeleton__card-content .modal-skeleton__line {
    margin-bottom: 0;
}

/* Sidebar for grid layout */
.modal-skeleton--with-sidebar .modal-skeleton__sidebar {
    width: 220px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* ============================================================================
   LIST LAYOUT SKELETON
   ============================================================================ */

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

.modal-skeleton__list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.modal-skeleton__list-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-skeleton__list-content .modal-skeleton__line {
    margin-bottom: 0;
}

/* ============================================================================
   FORM LAYOUT SKELETON
   ============================================================================ */

.modal-skeleton--form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-skeleton__field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.modal-skeleton__field .modal-skeleton__line--xs {
    width: 80px;
}

/* ============================================================================
   DETAIL LAYOUT SKELETON
   ============================================================================ */

.modal-skeleton--detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.modal-skeleton__header-block {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.modal-skeleton__section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* ============================================================================
   SPINNER LAYOUT SKELETON
   ============================================================================ */

.modal-skeleton--spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.modal-skeleton__spinner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.modal-skeleton__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.modal-skeleton__message {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================================================
   ERROR STATE
   ============================================================================ */

.modal-skeleton--error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.modal-skeleton__error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.modal-skeleton__error-container i {
    font-size: 2.5rem;
    color: var(--color-danger);
}

.modal-skeleton__error-message {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.modal-skeleton__error-close {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all 0.15s ease;
}

.modal-skeleton__error-close:hover {
    background: var(--color-card-bg);
    border-color: var(--color-text-muted);
}