/*
 * Apple Design System - View Document Specific Styles  
 * Implementa stili Apple per la pagina di visualizzazione documento
 * REQUIRES: apple-design-system.css must be loaded BEFORE this file
 */

/* === DOCUMENT VIEWER LAYOUT === */
.document-viewer-container {
    height: 100vh;
    background-color: var(--apple-system-background);
    display: flex;
    flex-direction: column;
}

/* Split Pane principale */
.split-pane-container {
    display: flex;
    flex: 1;
    background-color: var(--apple-system-background);
    overflow: hidden;
}

/* Panel sinistro - Form */
.form-panel {
    width: 400px;
    min-width: 300px;
    max-width: 600px;
    background-color: var(--apple-secondary-grouped-background);
    border-right: 1px solid var(--apple-separator);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.form-panel-header {
    padding: var(--apple-spacing-md);
    background-color: var(--apple-tertiary-grouped-background);
    border-bottom: 1px solid var(--apple-separator);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-panel-title {
    font-size: var(--apple-text-lg);
    font-weight: var(--apple-font-weight-semibold);
    color: var(--apple-label);
    margin: 0;
}

.form-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--apple-spacing-md);
}

/* Panel destro - Image Viewer */
.image-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--apple-system-background);
    overflow: hidden;
}

.image-panel-header {
    padding: var(--apple-spacing-md);
    background-color: var(--apple-secondary-grouped-background);
    border-bottom: 1px solid var(--apple-separator);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.image-panel-toolbar {
    display: flex;
    align-items: center;
    gap: var(--apple-spacing-sm);
}

.image-panel-body {
    flex: 1;
    position: relative;
    overflow: hidden;
    background-color: var(--apple-grouped-background);
}

/* === APPLE TOOLBAR === */
.apple-document-toolbar {
    display: flex;
    align-items: center;
    gap: var(--apple-spacing-sm);
    padding: var(--apple-spacing-sm);
    background-color: var(--apple-tertiary-grouped-background);
    border-radius: var(--apple-radius-sm);
    border: 1px solid var(--apple-separator);
}

.apple-toolbar-button {
    @extend .apple-button;
    @extend .apple-button-secondary;
    padding: var(--apple-spacing-sm);
    min-width: 36px;
    height: 36px;
    border-radius: var(--apple-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.apple-toolbar-button:hover {
    background-color: var(--apple-system-fill);
}

.apple-toolbar-button.active {
    background-color: var(--apple-blue);
    color: white;
}

.apple-toolbar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--apple-separator);
    margin: 0 var(--apple-spacing-xs);
}

/* === APPLE FORM STYLES === */
.apple-form-section {
    background-color: var(--apple-secondary-grouped-background);
    border-radius: var(--apple-radius-md);
    margin-bottom: var(--apple-spacing-md);
    overflow: hidden;
    border: 1px solid var(--apple-separator);
}

.apple-form-section-header {
    padding: var(--apple-spacing-md);
    background-color: var(--apple-tertiary-grouped-background);
    border-bottom: 1px solid var(--apple-separator);
}

.apple-form-section-title {
    font-size: var(--apple-text-base);
    font-weight: var(--apple-font-weight-semibold);
    color: var(--apple-label);
    margin: 0;
}

.apple-form-section-body {
    padding: var(--apple-spacing-md);
}

.apple-form-group {
    margin-bottom: var(--apple-spacing-md);
}

.apple-form-group:last-child {
    margin-bottom: 0;
}

.apple-form-label {
    display: block;
    font-size: var(--apple-text-sm);
    font-weight: var(--apple-font-weight-medium);
    color: var(--apple-secondary-label);
    margin-bottom: var(--apple-spacing-xs);
}

.apple-form-input {
    @extend .apple-input;
    margin-bottom: var(--apple-spacing-xs);
}

.apple-form-select {
    @extend .apple-input;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.apple-form-textarea {
    @extend .apple-input;
    resize: vertical;
    min-height: 80px;
}

.apple-form-help {
    font-size: var(--apple-text-xs);
    color: var(--apple-tertiary-label);
    margin-top: var(--apple-spacing-xs);
}

.apple-form-error {
    font-size: var(--apple-text-xs);
    color: var(--apple-red);
    margin-top: var(--apple-spacing-xs);
}

/* === APPLE IMAGE VIEWER === */
.apple-image-viewer {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--apple-grouped-background);
}

.apple-image-viewer img {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--apple-radius-sm);
    box-shadow: var(--apple-shadow-lg);
    transition: transform var(--apple-transition-normal);
}

.apple-image-viewer.zoomed img {
    cursor: grab;
}

.apple-image-viewer.zoomed img:active {
    cursor: grabbing;
}

/* === APPLE NAVIGATION === */
.apple-document-navigation {
    display: flex;
    align-items: center;
    gap: var(--apple-spacing-sm);
    padding: var(--apple-spacing-sm);
    background-color: var(--apple-tertiary-grouped-background);
    border-radius: var(--apple-radius-sm);
    border: 1px solid var(--apple-separator);
}

.apple-nav-button {
    @extend .apple-button;
    @extend .apple-button-secondary;
    padding: var(--apple-spacing-xs) var(--apple-spacing-sm);
    font-size: var(--apple-text-sm);
    min-width: 80px;
}

.apple-nav-info {
    font-size: var(--apple-text-sm);
    color: var(--apple-secondary-label);
    margin: 0 var(--apple-spacing-sm);
}

/* === APPLE MODAL === */
.apple-document-modal {
    @extend .apple-modal;
}

.apple-document-modal-content {
    @extend .apple-modal-content;
    max-width: 600px;
}

.apple-document-modal-header {
    @extend .apple-card-header;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.apple-document-modal-title {
    font-size: var(--apple-text-lg);
    font-weight: var(--apple-font-weight-semibold);
    color: var(--apple-label);
    margin: 0;
}

.apple-document-modal-close {
    @extend .apple-button;
    @extend .apple-button-ghost;
    padding: var(--apple-spacing-xs);
    min-width: 32px;
    height: 32px;
}

.apple-document-modal-body {
    @extend .apple-card-body;
}

.apple-document-modal-footer {
    @extend .apple-card-footer;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--apple-spacing-sm);
}

/* === APPLE RESIZER === */
.apple-split-resizer {
    width: 1px;
    background-color: var(--apple-separator);
    cursor: col-resize;
    transition: background-color var(--apple-transition-fast);
    position: relative;
}

.apple-split-resizer:hover {
    background-color: var(--apple-blue);
}

.apple-split-resizer:active {
    background-color: var(--apple-blue);
}

.apple-split-resizer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    right: -2px;
    bottom: 0;
    background: transparent;
}

/* === APPLE FLOATING ACTION BUTTON === */
.apple-fab {
    position: fixed;
    bottom: var(--apple-spacing-xl);
    right: var(--apple-spacing-xl);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--apple-blue);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--apple-text-xl);
    box-shadow: var(--apple-shadow-lg);
    cursor: pointer;
    transition: all var(--apple-transition-fast);
    z-index: var(--apple-z-elevated);
}

.apple-fab:hover {
    background-color: var(--apple-blue-dark);
    transform: scale(1.1);
    box-shadow: var(--apple-shadow-xl);
}

.apple-fab:active {
    transform: scale(1.05);
}

/* === APPLE LINKED DOCUMENTS === */
.apple-linked-docs {
    margin-top: var(--apple-spacing-md);
}

.apple-linked-docs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--apple-spacing-sm);
}

.apple-linked-docs-title {
    font-size: var(--apple-text-base);
    font-weight: var(--apple-font-weight-semibold);
    color: var(--apple-label);
    margin: 0;
}

.apple-linked-docs-count {
    @extend .apple-badge;
    @extend .apple-badge-secondary;
}

.apple-linked-docs-list {
    @extend .apple-list;
}

.apple-linked-docs-item {
    @extend .apple-list-item;
    display: flex;
    align-items: center;
    gap: var(--apple-spacing-sm);
}

.apple-linked-docs-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--apple-blue);
}

.apple-linked-docs-info {
    flex: 1;
}

.apple-linked-docs-name {
    font-size: var(--apple-text-sm);
    font-weight: var(--apple-font-weight-medium);
    color: var(--apple-label);
    margin: 0;
}

.apple-linked-docs-meta {
    font-size: var(--apple-text-xs);
    color: var(--apple-tertiary-label);
    margin: 0;
}

.apple-linked-docs-actions {
    display: flex;
    gap: var(--apple-spacing-xs);
}

.apple-linked-docs-button {
    @extend .apple-button;
    @extend .apple-button-ghost;
    padding: var(--apple-spacing-xs);
    min-width: 28px;
    height: 28px;
    font-size: var(--apple-text-sm);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .split-pane-container {
        flex-direction: column;
    }
    
    .form-panel {
        width: 100%;
        max-width: 100%;
        height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--apple-separator);
    }
    
    .image-panel {
        height: 50vh;
    }
    
    .apple-fab {
        bottom: var(--apple-spacing-lg);
        right: var(--apple-spacing-lg);
        width: 48px;
        height: 48px;
        font-size: var(--apple-text-lg);
    }
    
    .apple-document-toolbar {
        padding: var(--apple-spacing-xs);
        gap: var(--apple-spacing-xs);
    }
    
    .apple-toolbar-button {
        min-width: 32px;
        height: 32px;
    }
}

/* === ANIMATION ENHANCEMENTS === */
.apple-fade-in {
    animation: appleForFadeIn var(--apple-transition-normal) ease-out;
}

@keyframes appleForFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.apple-slide-up {
    animation: appleSlideUp var(--apple-transition-normal) ease-out;
}

@keyframes appleSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === ACCESSIBILITY === */
.apple-button:focus,
.apple-input:focus,
.apple-toolbar-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--apple-blue)40;
}

.apple-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === PERFORMANCE OPTIMIZATIONS === */
.apple-will-change-transform {
    will-change: transform;
}

.apple-will-change-opacity {
    will-change: opacity;
}

.apple-gpu-accelerated {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}