:root {
    --slides-cell-range: rgba(66, 133, 244, 0.1);
}

* {
    box-sizing: border-box;
}

.slides-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
    font-family: var(
        --sentient-font-family,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif
    );
    overflow: hidden;
}

.slides-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--sentient-bg-primary, #ffffff);
    border-bottom: 1px solid var(--sentient-border, #e0e0e0);
    gap: 16px;
    flex-shrink: 0;
    min-height: 52px;
}

.toolbar-left,
.toolbar-center,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-left {
    flex: 0 0 auto;
    min-width: 200px;
}

.toolbar-center {
    flex: 1;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 4px 0;
}

.toolbar-center::-webkit-scrollbar {
    height: 4px;
}

.toolbar-center::-webkit-scrollbar-thumb {
    background: var(--sentient-border, #e0e0e0);
    border-radius: 2px;
}

.toolbar-right {
    flex: 0 0 auto;
    gap: 12px;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--sentient-border, #e0e0e0);
    margin: 0 8px;
}

.presentation-name-input {
    border: none;
    background: transparent;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 8px;
    border-radius: 4px;
    color: var(--sentient-text-primary, #212121);
    min-width: 180px;
    max-width: 300px;
}

.presentation-name-input:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
}

.presentation-name-input:focus {
    outline: none;
    background: var(--sentient-bg-secondary, #f5f5f5);
    box-shadow: 0 0 0 2px var(--sentient-accent, #4285f4);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--sentient-text-secondary, #666666);
    transition:
        background 0.15s,
        color 0.15s;
}

.btn-icon:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
}

.btn-icon.active {
    background: var(--sentient-accent-light, #e3f2fd);
    color: var(--sentient-accent, #4285f4);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-icon strong,
.btn-icon em,
.btn-icon u {
    font-size: 14px;
    color: inherit;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--sentient-accent, #4285f4);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-primary:hover {
    background: var(--sentient-accent-dark, #3367d6);
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-secondary:hover {
    background: var(--sentient-bg-tertiary, #eeeeee);
}

.toolbar-select {
    padding: 6px 8px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 4px;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
    font-size: 13px;
    cursor: pointer;
}

.toolbar-select:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
}

.font-family {
    width: 100px;
}

.font-size {
    width: 60px;
}

.color-btn {
    position: relative;
    flex-direction: column;
    gap: 2px;
}

.color-letter {
    font-weight: bold;
    font-size: 14px;
}

.color-indicator {
    width: 16px;
    height: 3px;
    border-radius: 1px;
    position: absolute;
    bottom: 4px;
}

.color-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    left: 0;
    top: 0;
}

.collaborators {
    display: flex;
    margin-right: 8px;
}

.collaborator-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: white;
    margin-left: -8px;
    border: 2px solid var(--sentient-bg-primary, #ffffff);
}

.collaborator-avatar:first-child {
    margin-left: 0;
}

.slides-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.slide-thumbnails-panel {
    width: 180px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-right: 1px solid var(--sentient-border, #e0e0e0);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.thumbnails-container {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.thumbnails-container::-webkit-scrollbar {
    width: 6px;
}

.thumbnails-container::-webkit-scrollbar-track {
    background: transparent;
}

.thumbnails-container::-webkit-scrollbar-thumb {
    background: var(--sentient-border, #e0e0e0);
    border-radius: 3px;
}

.slide-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--sentient-bg-primary, #ffffff);
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition:
        border-color 0.15s,
        box-shadow 0.15s;
}

.slide-thumbnail:hover {
    border-color: var(--sentient-border, #e0e0e0);
}

.slide-thumbnail.active {
    border-color: var(--sentient-accent, #4285f4);
    box-shadow: 0 0 0 2px var(--sentient-accent-light, rgba(66, 133, 244, 0.2));
}

.slide-thumbnail-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    padding: 4px;
    overflow: hidden;
}

.slide-thumbnail-number {
    position: absolute;
    bottom: 4px;
    left: 4px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 2px;
}

.btn-add-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin: 12px;
    background: var(--sentient-bg-primary, #ffffff);
    border: 1px dashed var(--sentient-border, #e0e0e0);
    border-radius: 6px;
    color: var(--sentient-text-secondary, #666666);
    font-size: 13px;
    cursor: pointer;
    transition:
        background 0.15s,
        border-color 0.15s,
        color 0.15s;
}

.btn-add-slide:hover {
    background: var(--sentient-accent-light, #e3f2fd);
    border-color: var(--sentient-accent, #4285f4);
    color: var(--sentient-accent, #4285f4);
}

.slide-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--sentient-bg-tertiary, #e5e5e5);
}

.slide-canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: auto;
}

.slide-canvas {
    position: relative;
    width: 960px;
    height: 540px;
    background: var(--sentient-bg-primary, #ffffff);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    overflow: hidden;
}

.canvas-content {
    position: absolute;
    inset: 0;
}

.slide-element {
    position: absolute;
    cursor: move;
    user-select: none;
}

.slide-element.selected {
    outline: 2px solid var(--sentient-accent, #4285f4);
    outline-offset: 1px;
}

.slide-element.locked {
    cursor: not-allowed;
}

.slide-element-text {
    padding: 8px;
    min-width: 50px;
    min-height: 30px;
}

.slide-element-text.editing {
    cursor: text;
    outline: 2px solid var(--sentient-accent, #4285f4);
}

.slide-element-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.slide-element-shape {
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-element-shape svg {
    width: 100%;
    height: 100%;
}

.selection-handles {
    position: absolute;
    pointer-events: none;
}

.selection-handles.hidden {
    display: none;
}

.handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--sentient-bg-primary, #ffffff);
    border: 2px solid var(--sentient-accent, #4285f4);
    border-radius: 2px;
    pointer-events: auto;
    cursor: pointer;
}

.handle.nw {
    top: -5px;
    left: -5px;
    cursor: nwse-resize;
}
.handle.n {
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    cursor: ns-resize;
}
.handle.ne {
    top: -5px;
    right: -5px;
    cursor: nesw-resize;
}
.handle.w {
    top: 50%;
    left: -5px;
    transform: translateY(-50%);
    cursor: ew-resize;
}
.handle.e {
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
    cursor: ew-resize;
}
.handle.sw {
    bottom: -5px;
    left: -5px;
    cursor: nesw-resize;
}
.handle.s {
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    cursor: ns-resize;
}
.handle.se {
    bottom: -5px;
    right: -5px;
    cursor: nwse-resize;
}

.rotate-handle {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    cursor: grab;
    pointer-events: auto;
}

.rotate-handle::before {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--sentient-bg-primary, #ffffff);
    border: 2px solid var(--sentient-accent, #4285f4);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.cursor-indicators {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.cursor-indicator {
    position: absolute;
    width: 16px;
    height: 16px;
    transition:
        left 0.1s,
        top 0.1s;
}

.cursor-indicator::after {
    content: attr(data-name);
    position: absolute;
    left: 16px;
    top: 0;
    background: var(--cursor-color, #4285f4);
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 3px;
    white-space: nowrap;
}

.cursor-indicator svg {
    fill: var(--cursor-color, #4285f4);
}

.chat-panel {
    width: 320px;
    background: var(--sentient-bg-primary, #ffffff);
    border-left: 1px solid var(--sentient-border, #e0e0e0);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition:
        width 0.2s ease,
        opacity 0.2s ease;
}

.chat-panel.collapsed {
    width: 0;
    overflow: hidden;
    opacity: 0;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--sentient-border, #e0e0e0);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: var(--sentient-accent-light, #e3f2fd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sentient-accent, #4285f4);
}

.chat-title h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--sentient-text-primary, #212121);
}

.chat-status {
    font-size: 12px;
    color: var(--sentient-text-tertiary, #999999);
}

.chat-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--sentient-text-secondary, #666666);
    transition: background 0.15s;
}

.chat-close:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    display: flex;
    flex-direction: column;
}

.chat-message.user {
    align-items: flex-end;
}

.chat-message.assistant {
    align-items: flex-start;
}

.message-bubble {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
}

.chat-message.user .message-bubble {
    background: var(--sentient-accent, #4285f4);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant .message-bubble {
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
    border-bottom-left-radius: 4px;
}

.message-bubble p {
    margin: 0 0 8px;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.message-bubble li {
    margin-bottom: 4px;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 16px 12px;
}

.suggestion-btn {
    padding: 6px 12px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 16px;
    font-size: 12px;
    color: var(--sentient-text-secondary, #666666);
    cursor: pointer;
    transition:
        background 0.15s,
        border-color 0.15s,
        color 0.15s;
}

.suggestion-btn:hover {
    background: var(--sentient-accent-light, #e3f2fd);
    border-color: var(--sentient-accent, #4285f4);
    color: var(--sentient-accent, #4285f4);
}

.chat-input-container {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--sentient-border, #e0e0e0);
}

.chat-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 20px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.chat-input:focus {
    border-color: var(--sentient-accent, #4285f4);
}

.chat-input::placeholder {
    color: var(--sentient-text-tertiary, #999999);
}

.chat-send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--sentient-accent, #4285f4);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: white;
    transition: background 0.15s;
}

.chat-send:hover {
    background: var(--sentient-accent-dark, #3367d6);
}

.slides-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-top: 1px solid var(--sentient-border, #e0e0e0);
    font-size: 12px;
    color: var(--sentient-text-secondary, #666666);
    flex-shrink: 0;
}

.status-left,
.status-center,
.status-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-control {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-zoom {
    width: 24px;
    height: 24px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    background: var(--sentient-bg-primary, #ffffff);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sentient-text-secondary, #666666);
}

.btn-zoom:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.2s;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--sentient-bg-primary, #ffffff);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-width: 400px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

.modal-content.modal-small {
    min-width: 320px;
}

.modal-content.modal-large {
    min-width: 600px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--sentient-border, #e0e0e0);
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--sentient-text-primary, #212121);
}

.btn-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 24px;
    color: var(--sentient-text-secondary, #666666);
    transition: background 0.15s;
}

.btn-close:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
    color: var(--sentient-text-primary, #212121);
}

.modal-body {
    padding: 20px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

.form-group {
    margin-bottom: 16px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--sentient-text-secondary, #666666);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 6px;
    font-size: 14px;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
    box-shadow: 0 0 0 3px var(--sentient-accent-light, rgba(66, 133, 244, 0.1));
}

.share-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.share-input-group input,
.share-input-group select {
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 6px;
    font-size: 14px;
}

.share-input-group input {
    flex: 1;
}

.share-link-section h4 {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--sentient-text-secondary, #666666);
}

.share-link-group {
    display: flex;
    gap: 8px;
}

.share-link-group input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 6px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    font-size: 13px;
}

.shape-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.shape-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    color: var(--sentient-text-secondary, #666666);
    transition:
        background 0.15s,
        border-color 0.15s,
        color 0.15s;
}

.shape-btn:hover {
    background: var(--sentient-accent-light, #e3f2fd);
    border-color: var(--sentient-accent, #4285f4);
    color: var(--sentient-accent, #4285f4);
}

.context-menu {
    position: fixed;
    background: var(--sentient-bg-primary, #ffffff);
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    z-index: 1001;
    padding: 4px 0;
}

.context-menu.hidden {
    display: none;
}

.context-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    color: var(--sentient-text-primary, #212121);
    transition: background 0.15s;
}

.context-item:hover {
    background: var(--sentient-bg-secondary, #f5f5f5);
}

.context-item .shortcut {
    font-size: 11px;
    color: var(--sentient-text-tertiary, #999999);
}

.context-divider {
    height: 1px;
    background: var(--sentient-border, #e0e0e0);
    margin: 4px 0;
}

.presenter-modal {
    position: fixed;
    inset: 0;
    background: #000000;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.presenter-modal.hidden {
    display: none;
}

.presenter-view {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.presenter-slide {
    width: 100%;
    max-width: 1280px;
    aspect-ratio: 16 / 9;
    background: white;
    box-shadow: 0 4px 60px rgba(0, 0, 0, 0.5);
}

.presenter-controls {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.presenter-controls button {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
}

/* =============================================================================
   TRANSITIONS MODAL
   ============================================================================= */

.transitions-section {
    margin-bottom: 20px;
}

.transitions-section label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--sentient-text-secondary, #666);
    margin-bottom: 10px;
}

.transitions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.transition-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.transition-btn:hover {
    background: var(--sentient-bg-primary, #ffffff);
    border-color: var(--sentient-border, #e0e0e0);
}

.transition-btn.active {
    border-color: var(--sentient-accent, #4285f4);
    background: rgba(66, 133, 244, 0.1);
}

.transition-btn span {
    font-size: 11px;
    color: var(--sentient-text-secondary, #666);
}

.transition-preview {
    width: 48px;
    height: 32px;
    background: var(--sentient-accent, #4285f4);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.transition-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 50%
    );
}

.duration-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

.duration-control input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--sentient-border, #e0e0e0);
    border-radius: 2px;
}

.duration-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--sentient-accent, #4285f4);
    border-radius: 50%;
    cursor: pointer;
}

.duration-control span {
    min-width: 40px;
    font-size: 13px;
    color: var(--sentient-text-primary, #212121);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--sentient-text-primary, #212121);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--sentient-accent, #4285f4);
}

/* =============================================================================
   ANIMATIONS MODAL
   ============================================================================= */

.animations-section {
    margin-bottom: 20px;
}

.animations-section label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--sentient-text-secondary, #666);
    margin-bottom: 8px;
}

.animations-section select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: var(--sentient-radius-sm, 4px);
    font-size: 14px;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
}

.animations-section select:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
}

.selected-element-info {
    padding: 12px 16px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-radius: var(--sentient-radius-sm, 4px);
    font-size: 13px;
    color: var(--sentient-text-secondary, #666);
}

.animation-timing {
    display: flex;
    gap: 16px;
}

.timing-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.timing-group label {
    margin-bottom: 0;
    min-width: auto;
}

.timing-group select,
.timing-group input[type="number"] {
    width: auto;
    min-width: 80px;
    padding: 8px 10px;
}

.timing-group span {
    font-size: 12px;
    color: var(--sentient-text-secondary, #666);
}

.animation-order-list {
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: var(--sentient-radius-sm, 4px);
    padding: 8px;
}

.animation-order-list .no-animations {
    text-align: center;
    color: var(--sentient-text-muted, #999);
    font-size: 13px;
    padding: 24px;
    margin: 0;
}

.animation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-radius: 4px;
    margin-bottom: 4px;
    cursor: grab;
}

.animation-item:last-child {
    margin-bottom: 0;
}

.animation-item:active {
    cursor: grabbing;
}

.animation-item .animation-name {
    font-size: 13px;
    color: var(--sentient-text-primary, #212121);
}

.animation-item .animation-element {
    font-size: 11px;
    color: var(--sentient-text-secondary, #666);
}

.animation-item .animation-remove {
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    color: var(--sentient-text-muted, #999);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.animation-item .animation-remove:hover {
    color: var(--sentient-error, #ea4335);
}

/* =============================================================================
   MODAL LARGE
   ============================================================================= */

.modal-content.modal-large {
    max-width: 600px;
}

.modal-content.modal-fullscreen {
    width: 95vw;
    max-width: 1400px;
    height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-fullscreen .modal-header {
    flex-shrink: 0;
}

.modal-fullscreen .modal-body {
    flex: 1;
    overflow: hidden;
    padding: 0;
}

/* =============================================================================
   SLIDE SORTER VIEW
   ============================================================================= */

.sorter-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    margin: 0 24px;
}

.sorter-body {
    display: flex;
    background: var(--sentient-bg-tertiary, #e0e0e0);
    overflow: auto;
    padding: 24px;
}

.sorter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
    width: 100%;
    align-content: start;
}

.sorter-slide {
    position: relative;
    aspect-ratio: 16 / 9;
    background: white;
    border: 2px solid transparent;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: grab;
    overflow: hidden;
    transition: all 0.15s ease;
}

.sorter-slide:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.sorter-slide.selected {
    border-color: var(--sentient-accent, #4285f4);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

.sorter-slide.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.sorter-slide.drag-over {
    border-color: var(--sentient-accent, #4285f4);
    background: rgba(66, 133, 244, 0.1);
}

.sorter-slide-content {
    width: 100%;
    height: 100%;
    pointer-events: none;
    transform-origin: top left;
}

.sorter-slide-number {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.sorter-slide-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.sorter-slide:hover .sorter-slide-actions {
    opacity: 1;
}

.sorter-slide-actions button {
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sorter-slide-actions button:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* =============================================================================
   EXPORT PDF MODAL
   ============================================================================= */

.export-section {
    margin-bottom: 20px;
}

.export-section label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--sentient-text-secondary, #666);
    margin-bottom: 8px;
}

.export-section select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: var(--sentient-radius-sm, 4px);
    font-size: 14px;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
}

.export-section select:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
}

.export-range-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--sentient-text-primary, #212121);
    cursor: pointer;
}

.radio-label input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--sentient-accent, #4285f4);
}

.range-input {
    margin-left: 8px;
    padding: 6px 10px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: var(--sentient-radius-sm, 4px);
    font-size: 13px;
    width: 120px;
}

.range-input:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
}

@media (max-width: 768px) {
    .transitions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .animation-timing {
        flex-direction: column;
        gap: 12px;
    }

    .timing-group {
        width: 100%;
    }

    .timing-group select,
    .timing-group input[type="number"] {
        flex: 1;
    }

    .sorter-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 16px;
    }

    .sorter-toolbar {
        flex-wrap: wrap;
        margin: 0 12px;
    }
}

/* =============================================================================
   MASTER SLIDE MODAL
   ============================================================================= */

.master-layout {
    display: flex;
    gap: 24px;
    min-height: 400px;
}

.master-sidebar {
    width: 200px;
    flex-shrink: 0;
    border-right: 1px solid var(--sentient-border, #e0e0e0);
    padding-right: 24px;
}

.master-sidebar h4 {
    margin: 0 0 16px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--sentient-text-primary, #212121);
}

.master-layout-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.master-layout-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.master-layout-item:hover {
    background: var(--sentient-bg-primary, #ffffff);
    border-color: var(--sentient-border, #e0e0e0);
}

.master-layout-item.active {
    border-color: var(--sentient-accent, #4285f4);
    background: rgba(66, 133, 244, 0.1);
}

.master-layout-item span {
    font-size: 11px;
    color: var(--sentient-text-secondary, #666);
}

.layout-preview {
    width: 80px;
    height: 45px;
    background: white;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 4px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.preview-title {
    height: 8px;
    background: var(--sentient-text-primary, #212121);
    border-radius: 2px;
}

.preview-title.small {
    height: 5px;
    width: 60%;
}

.preview-subtitle {
    height: 5px;
    width: 50%;
    background: var(--sentient-text-secondary, #666);
    border-radius: 2px;
}

.preview-content {
    flex: 1;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-radius: 2px;
}

.preview-columns {
    flex: 1;
    display: flex;
    gap: 4px;
}

.preview-col {
    flex: 1;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-radius: 2px;
}

.preview-section-title {
    height: 10px;
    width: 70%;
    margin: auto;
    background: var(--sentient-text-primary, #212121);
    border-radius: 2px;
}

.blank-preview {
    background: white;
}

.master-editor {
    flex: 1;
}

.master-section {
    margin-bottom: 24px;
}

.master-section h4 {
    margin: 0 0 12px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--sentient-text-primary, #212121);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.color-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.color-item label {
    font-size: 12px;
    color: var(--sentient-text-secondary, #666);
}

.color-item input[type="color"] {
    width: 100%;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: 4px;
    cursor: pointer;
}

.font-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.font-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.font-item label {
    font-size: 12px;
    color: var(--sentient-text-secondary, #666);
}

.font-item select {
    padding: 10px 12px;
    border: 1px solid var(--sentient-border, #e0e0e0);
    border-radius: var(--sentient-radius-sm, 4px);
    font-size: 14px;
    background: var(--sentient-bg-primary, #ffffff);
    color: var(--sentient-text-primary, #212121);
}

.font-item select:focus {
    outline: none;
    border-color: var(--sentient-accent, #4285f4);
}

.master-preview {
    padding: 16px;
    background: var(--sentient-bg-secondary, #f5f5f5);
    border-radius: 8px;
}

.preview-slide {
    aspect-ratio: 16 / 9;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.preview-heading {
    margin: 0 0 12px 0;
    font-size: 24px;
    font-weight: 600;
}

.preview-body {
    margin: 0;
    font-size: 14px;
}

@media (max-width: 768px) {
    .master-layout {
        flex-direction: column;
    }

    .master-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--sentient-border, #e0e0e0);
        padding-right: 0;
        padding-bottom: 16px;
    }

    .master-layout-list {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .master-layout-item {
        width: calc(33.33% - 8px);
    }

    .color-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .font-grid {
        grid-template-columns: 1fr;
    }
}