/**
 * Modals.css - Modern Modal/Dialog Components
 * Part of Office-AI-ze v2.0 UI/UX Upgrade (Phase 3)
 * ClickUp-inspired modals with backdrop blur, smooth animations, modern styling
 */

/* =============================================================================
   Modal Overlay (Backdrop)
   ============================================================================= */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    z-index: var(--z-modal);
    opacity: 0;
    animation: fadeIn 200ms ease forwards;
}

.dark .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

/* =============================================================================
   Modal Container
   ============================================================================= */

.modal-modern {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    animation: slideUpScale 250ms cubic-bezier(0.4, 0, 0.2, 1) 50ms forwards;
}

.dark .modal-modern {
    background: var(--dark-bg-primary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Modal Sizes */
.modal-sm {
    max-width: 400px;
}

.modal-md {
    max-width: 600px;
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1200px;
}

.modal-full {
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
}

/* =============================================================================
   Modal Header
   ============================================================================= */

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.dark .modal-header {
    border-bottom-color: var(--dark-border);
}

.modal-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

/* Icon Variants */
.modal-icon-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

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

.modal-icon-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

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

.modal-icon-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

.modal-title-container {
    flex: 1;
    min-width: 0;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin: 0;
}

.dark .modal-title {
    color: var(--dark-text-primary);
}

.modal-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-top: var(--space-1);
}

.dark .modal-subtitle {
    color: var(--dark-text-secondary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 150ms ease;
    flex-shrink: 0;
}

.dark .modal-close {
    color: var(--dark-text-tertiary);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

.dark .modal-close:hover {
    background: var(--dark-bg-tertiary);
    color: var(--dark-text-primary);
}

/* =============================================================================
   Modal Body
   ============================================================================= */

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* Custom Scrollbar */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 4px;
}

.dark .modal-body::-webkit-scrollbar-track {
    background: var(--dark-bg-tertiary);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 4px;
}

.dark .modal-body::-webkit-scrollbar-thumb {
    background: var(--dark-border);
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* Modal Body Variants */
.modal-body-compact {
    padding: var(--space-4);
}

.modal-body-spacious {
    padding: var(--space-8);
}

.modal-body-no-padding {
    padding: 0;
}

/* =============================================================================
   Modal Footer
   ============================================================================= */

.modal-footer {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.dark .modal-footer {
    border-top-color: var(--dark-border);
}

.modal-footer-right {
    justify-content: flex-end;
}

.modal-footer-between {
    justify-content: space-between;
}

.modal-footer-center {
    justify-content: center;
}

/* =============================================================================
   Confirmation Modal (Special)
   ============================================================================= */

.modal-confirm {
    max-width: 450px;
}

.modal-confirm .modal-body {
    text-align: center;
}

.modal-confirm-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto var(--space-4);
}

.modal-confirm-message {
    font-size: var(--font-size-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.dark .modal-confirm-message {
    color: var(--dark-text-primary);
}

.modal-confirm-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.dark .modal-confirm-description {
    color: var(--dark-text-secondary);
}

/* =============================================================================
   Drawer (Side Modal)
   ============================================================================= */

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    opacity: 0;
    animation: fadeIn 200ms ease forwards;
}

.drawer-modern {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 400px;
    max-width: 90vw;
    background: var(--color-white);
    box-shadow: var(--shadow-2xl);
    display: flex;
    flex-direction: column;
    z-index: calc(var(--z-modal) + 1);
}

.dark .drawer-modern {
    background: var(--dark-bg-primary);
}

/* Drawer Positions */
.drawer-right {
    right: 0;
    transform: translateX(100%);
    animation: slideInRight 250ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.drawer-left {
    left: 0;
    transform: translateX(-100%);
    animation: slideInLeft 250ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Drawer Sizes */
.drawer-sm {
    width: 300px;
}

.drawer-md {
    width: 500px;
}

.drawer-lg {
    width: 700px;
}

/* =============================================================================
   Alert/Toast (Inline Modal Alternative)
   ============================================================================= */

.alert-modern {
    display: flex;
    align-items: start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid;
    background: var(--color-white);
    margin-bottom: var(--space-4);
}

.dark .alert-modern {
    background: var(--dark-bg-secondary);
}

.alert-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--font-size-sm);
}

.alert-close {
    color: inherit;
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 150ms ease;
    flex-shrink: 0;
}

.alert-close:hover {
    opacity: 1;
}

/* Alert Variants */
.alert-success {
    border-color: var(--color-success);
    background: var(--color-success-light);
}

.alert-success .alert-icon {
    color: var(--color-success);
}

.alert-success .alert-title {
    color: var(--color-success-dark);
}

.alert-success .alert-message {
    color: var(--color-success-dark);
}

.alert-warning {
    border-color: var(--color-warning);
    background: var(--color-warning-light);
}

.alert-warning .alert-icon {
    color: var(--color-warning);
}

.alert-warning .alert-title {
    color: var(--color-warning-dark);
}

.alert-warning .alert-message {
    color: var(--color-warning-dark);
}

.alert-danger {
    border-color: var(--color-danger);
    background: var(--color-danger-light);
}

.alert-danger .alert-icon {
    color: var(--color-danger);
}

.alert-danger .alert-title {
    color: var(--color-danger-dark);
}

.alert-danger .alert-message {
    color: var(--color-danger-dark);
}

.alert-info {
    border-color: var(--color-info);
    background: var(--color-info-light);
}

.alert-info .alert-icon {
    color: var(--color-info);
}

.alert-info .alert-title {
    color: var(--color-info-dark);
}

.alert-info .alert-message {
    color: var(--color-info-dark);
}

/* =============================================================================
   Animations
   ============================================================================= */

@keyframes slideUpScale {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInRight {
    to {
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    to {
        transform: translateX(0);
    }
}

/* =============================================================================
   AlpineJS Utilities
   ============================================================================= */

/* Use with x-show and x-transition */
[x-cloak] {
    display: none !important;
}

/* =============================================================================
   Responsive
   ============================================================================= */

@media (max-width: 768px) {
    .modal-modern {
        max-width: calc(100vw - 32px);
        max-height: calc(100vh - 32px);
    }
    
    .modal-header {
        padding: var(--space-4);
    }
    
    .modal-body {
        padding: var(--space-4);
    }
    
    .modal-footer {
        padding: var(--space-4);
        flex-direction: column;
    }
    
    .modal-footer button {
        width: 100%;
    }
    
    /* Drawers take full width on mobile */
    .drawer-modern {
        width: 100vw;
        max-width: 100vw;
    }
    
    /* Convert large modals to full screen on mobile */
    .modal-lg,
    .modal-xl {
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }
}

/* =============================================================================
   Loading State
   ============================================================================= */

.modal-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    z-index: 10;
}

.dark .modal-loading {
    background: rgba(26, 26, 46, 0.9);
}

.modal-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 800ms linear infinite;
}

.dark .modal-spinner {
    border-color: var(--dark-border);
    border-top-color: var(--color-primary);
}

/* =============================================================================
   Modal Stack (Multiple Modals)
   ============================================================================= */

.modal-overlay[data-index="1"] {
    z-index: calc(var(--z-modal) + 2);
}

.modal-overlay[data-index="1"] .modal-modern {
    transform: translateY(20px) scale(0.98);
}

.modal-overlay[data-index="2"] {
    z-index: calc(var(--z-modal) + 4);
    background: rgba(0, 0, 0, 0.6);
}

.modal-overlay[data-index="2"] .modal-modern {
    transform: translateY(30px) scale(0.96);
}