/* CapCut Benzeri Video Editör CSS */
:root {
    /* CapCut İlhamı Renk Paleti */
    --capcut-primary: #00D4FF;
    --capcut-primary-dark: #00A8CC;
    --capcut-secondary: #FF2D55;
    --capcut-success: #30D158;
    --capcut-warning: #FF9500;
    --capcut-error: #FF3B30;
    
    /* Arka Plan Renkleri */
    --bg-main: #000000;
    --bg-panel: #1A1A1A;
    --bg-panel-dark: #151515;
    --bg-elevated: #252525;
    --bg-hover: #2E2E2E;
    --bg-active: #3A3A3A;
    
    /* Metin Renkleri */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-tertiary: #71717A;
    --text-disabled: #52525B;
    
    /* Sınır ve Ayrım */
    --border-primary: #333333;
    --border-secondary: #262626;
    --border-accent: var(--capcut-primary);
    
    /* Tipografi - CapCut Benzeri */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-h1: 32px;
    --font-size-h2: 24px;
    --font-size-h3: 18px;
    --font-size-body: 14px;
    --font-size-small: 12px;
    --font-size-xs: 10px;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Animasyon Süreleri */
    --duration-fast: 0.15s;
    --duration-normal: 0.25s;
    --duration-slow: 0.35s;
    --duration-slower: 0.5s;
    
    /* Easing Fonksiyonları */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Boyutlar - Responsive */
    --left-panel-width: 280px;
    --right-panel-width: 320px;
    --bottom-panel-height: 280px;
    --top-bar-height: 60px;
    --control-button-size: 48px;
    --small-button-size: 36px;
    --icon-size: 24px;
    --icon-size-small: 18px;
    
    /* Border Radius */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 50%;
    
    /* Gölgeler - iOS Tarzı */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* Mobile First - Breakpoints */
    --mobile: 480px;
    --tablet: 768px;
    --desktop: 1024px;
    --wide: 1440px;
    
    /* Z-Index Layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* CapCut Benzeri Base Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-main);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: manipulation;
    user-select: none;
}

/* CapCut Ana Layout */
.app-container {
    width: 100vw;
    height: 100vh;
    display: grid;
    grid-template-rows: var(--top-bar-height) 1fr var(--bottom-panel-height);
    grid-template-columns: 1fr;
    background-color: var(--bg-main);
}

/* CapCut Üst Bar */
.top-bar {
    height: var(--top-bar-height);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    gap: var(--space-lg);
    z-index: var(--z-sticky);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--capcut-primary), var(--capcut-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    color: white;
}

.top-bar-actions {
    margin-left: auto;
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* Main Layout Grid */
.main-layout {
    display: grid;
    grid-template-columns: var(--left-panel-width) 1fr var(--right-panel-width);
    grid-template-rows: 1fr;
    height: 100%;
    overflow: hidden;
}

/* CapCut Panel Stilleri */
.left-panel,
.right-panel {
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-secondary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.right-panel {
    border-right: none;
    border-left: 1px solid var(--border-secondary);
}

.panel-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
}

.panel-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.panel-close {
    width: var(--small-button-size);
    height: var(--small-button-size);
    border: none;
    background: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
}

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

/* CapCut Center Preview Panel */
.center-panel {
    background-color: var(--bg-main);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.preview-header {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-primary);
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* CapCut Transport Controls */
.transport-controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background-color: var(--bg-elevated);
    padding: var(--space-xs);
    border-radius: var(--radius-xl);
}

.transport-btn {
    width: var(--control-button-size);
    height: var(--control-button-size);
    border: none;
    background: none;
    border-radius: var(--radius-round);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
}

.transport-btn:hover {
    background-color: var(--bg-hover);
    transform: scale(1.05);
}

.transport-btn:active {
    transform: scale(0.95);
}

.transport-btn.play-pause {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--capcut-primary), var(--capcut-primary-dark));
    box-shadow: var(--shadow-lg);
}

.transport-btn.play-pause:hover {
    background: linear-gradient(135deg, var(--capcut-primary-dark), var(--capcut-primary));
    transform: scale(1.1);
}

.time-display {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    padding: 0 var(--space-md);
    min-width: 120px;
    text-align: center;
    background-color: var(--bg-panel-dark);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
}

/* CapCut Araç Paneli */
.panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-md);
}

.tools-section {
    margin-bottom: var(--space-xl);
}

.tools-section:last-child {
    margin-bottom: 0;
}

.tools-section h3 {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    padding: 0 var(--space-sm);
}

/* CapCut Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-lg);
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left var(--duration-slow) var(--ease-out);
}

.tool-btn:hover::before {
    left: 100%;
}

.tool-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--capcut-primary);
}

.tool-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.tool-btn.active {
    background: linear-gradient(135deg, var(--capcut-primary), var(--capcut-primary-dark));
    color: white;
    border-color: var(--capcut-primary);
    box-shadow: var(--shadow-lg);
}

.tool-btn.active:hover {
    background: linear-gradient(135deg, var(--capcut-primary-dark), var(--capcut-primary));
    transform: translateY(-2px) scale(1.02);
}

.tool-btn i {
    font-size: var(--icon-size);
    width: var(--icon-size);
    height: var(--icon-size);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
}

.tool-btn:hover i {
    transform: scale(1.1);
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    background-color: var(--bg-panel-dark);
    transition: all var(--duration-normal) var(--ease-out);
    cursor: pointer;
    margin-bottom: var(--space-lg);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--capcut-primary);
    background-color: rgba(0, 212, 255, 0.05);
    transform: scale(1.02);
}

.upload-zone i {
    font-size: 48px;
    color: var(--capcut-primary);
    margin-bottom: var(--space-md);
    display: block;
}

.upload-zone h4 {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.upload-zone p {
    font-size: var(--font-size-small);
    color: var(--text-tertiary);
    line-height: 1.4;
}

/* Media List */
.media-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.media-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.media-item:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-primary);
    transform: translateX(4px);
}

.media-item.selected {
    background-color: var(--capcut-primary);
    border-color: var(--capcut-primary);
    color: white;
}

.media-thumbnail {
    width: 48px;
    height: 48px;
    background-color: var(--bg-panel-dark);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.media-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-info {
    flex: 1;
    min-width: 0;
}

.media-name {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: inherit;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-xs);
}

.media-duration {
    font-size: var(--font-size-xs);
    color: inherit;
    opacity: 0.7;
}

/* Önizleme Paneli */
.preview-panel {
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.preview-header h2 {
    font-size: var(--font-size-panel-title);
    font-weight: var(--font-weight-medium);
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.preview-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--surface-elevated);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 200ms ease-out;
}

.preview-btn:hover {
    background-color: var(--primary-500);
    transform: scale(1.05);
}

.time-display {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', monospace;
}

/* CapCut Video Preview */
.preview-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(ellipse at center, #1a1a1a 0%, #000 100%);
    position: relative;
    padding: var(--space-lg);
    margin: var(--space-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-inner);
}

.preview-stage {
    max-width: 100%;
    max-height: 100%;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.preview-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #000;
    border-radius: var(--radius-md);
}

/* CapCut Text Overlay */
.text-overlay-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-modal);
}

.overlay-text {
    position: absolute;
    color: white;
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    text-align: center;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all var(--duration-normal) var(--ease-out);
    pointer-events: auto;
    cursor: move;
}

.overlay-text:hover {
    background: rgba(0,0,0,0.5);
    border-color: var(--capcut-primary);
    transform: scale(1.02);
}

.overlay-text.dragging {
    cursor: grabbing;
    transform: scale(1.05);
    z-index: var(--z-modal);
    box-shadow: var(--shadow-xl);
}

/* CapCut Export Section */
.export-section {
    padding: var(--space-lg);
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: var(--space-md);
}

.export-btn {
    flex: 1;
    height: var(--control-button-size);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.export-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--duration-slow) var(--ease-out);
}

.export-btn:hover::before {
    left: 100%;
}

.export-btn.primary {
    background: linear-gradient(135deg, var(--capcut-primary), var(--capcut-primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.export-btn.primary:hover {
    background: linear-gradient(135deg, var(--capcut-primary-dark), var(--capcut-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.export-btn.primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.export-btn.secondary {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
}

.export-btn.secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--capcut-primary);
    color: var(--capcut-primary);
    transform: translateY(-1px);
}

.export-btn i {
    font-size: var(--icon-size-small);
    transition: transform var(--duration-fast) var(--ease-out);
}

.export-btn:hover i {
    transform: scale(1.1);
}

/* Özellikler Paneli */
.properties-panel {
    display: flex;
    flex-direction: column;
}

.properties-content {
    flex: 1;
}

.property-section h3 {
    font-size: var(--font-size-label);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    margin-top: var(--space-xl);
}

.property-section:first-child h3 {
    margin-top: 0;
}

.property-group {
    margin-bottom: var(--space-lg);
}

.property-group label {
    display: block;
    font-size: var(--font-size-label);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background-color: var(--surface-elevated);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--text-primary);
    cursor: pointer;
    transition: all 200ms ease-out;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.33);
}

.slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--text-primary);
    cursor: pointer;
    border: none;
}

.slider-value {
    font-size: var(--font-size-small);
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', monospace;
    min-width: 40px;
    text-align: right;
}

.text-input, .color-input {
    width: 100%;
    padding: var(--space-md);
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: var(--font-size-body);
    transition: border-color 200ms ease-out;
}

.text-input:focus, .color-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.3);
}

.color-input {
    height: 40px;
    cursor: pointer;
}

/* CapCut Timeline Panel */
.timeline-panel {
    height: var(--bottom-panel-height);
    background-color: var(--bg-panel);
    border-top: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    position: relative;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-secondary);
    background-color: var(--bg-panel-dark);
}

.timeline-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.timeline-tools {
    display: flex;
    gap: var(--space-xs);
    align-items: center;
}

.timeline-btn {
    width: var(--small-button-size);
    height: var(--small-button-size);
    border: none;
    background-color: var(--bg-elevated);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-out);
}

.timeline-btn:hover {
    background-color: var(--capcut-primary);
    color: white;
    transform: scale(1.1);
}

.timeline-btn.active {
    background-color: var(--capcut-primary);
    color: white;
}

/* CapCut Timeline Container */
.timeline-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.timeline-viewport {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: auto;
    overflow-y: hidden;
    position: relative;
}

.timeline-tracks {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: var(--space-md);
    gap: var(--space-sm);
}

/* CapCut Timeline Track */
.timeline-track {
    display: flex;
    height: 80px;
    background-color: var(--bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    overflow: hidden;
    position: relative;
    transition: all var(--duration-normal) var(--ease-out);
}

.timeline-track:hover {
    border-color: var(--capcut-primary);
    box-shadow: var(--shadow-md);
}

.track-header {
    width: 120px;
    background-color: var(--bg-panel-dark);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-sm);
    padding: 0 var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    border-right: 1px solid var(--border-secondary);
    flex-shrink: 0;
}

.track-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.track-icon.video {
    background-color: var(--capcut-primary);
    color: white;
}

.track-icon.audio {
    background-color: var(--capcut-secondary);
    color: white;
}

.track-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* CapCut Timeline Clips */
.timeline-clips {
    display: flex;
    align-items: center;
    height: 100%;
    padding: var(--space-sm);
    gap: var(--space-xs);
    min-width: 100%;
    position: relative;
}

.timeline-clip {
    height: 60px;
    background: linear-gradient(135deg, var(--bg-panel-dark), var(--bg-hover));
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    color: var(--text-primary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    min-width: 100px;
    position: relative;
    overflow: hidden;
    user-select: none;
}

.timeline-clip::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left var(--duration-slow) var(--ease-out);
}

.timeline-clip:hover::before {
    left: 100%;
}

.timeline-clip:hover {
    border-color: var(--capcut-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal);
}

.timeline-clip.selected {
    border-color: var(--capcut-primary);
    background: linear-gradient(135deg, var(--capcut-primary), var(--capcut-primary-dark));
    color: white;
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px) scale(1.02);
}

.timeline-clip.dragging {
    cursor: grabbing;
    transform: rotate(5deg) scale(1.05);
    z-index: var(--z-modal);
    box-shadow: var(--shadow-xl);
    opacity: 0.8;
}

/* CapCut Clip Types */
.timeline-clip.video-clip {
    background-image: 
        linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.05) 50%, transparent 60%);
    background-size: 100% 100%, 20px 20px;
}

.timeline-clip.audio-clip {
    background-image: 
        linear-gradient(135deg, rgba(255, 45, 85, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.1) 75%, transparent 75%, transparent);
    background-size: 100% 100%, 15px 15px;
}

/* Clip Handles */
.clip-handle {
    position: absolute;
    top: 0;
    width: 8px;
    height: 100%;
    cursor: ew-resize;
    background-color: var(--capcut-primary);
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
    border-radius: var(--radius-sm);
}

.timeline-clip:hover .clip-handle,
.timeline-clip.selected .clip-handle {
    opacity: 0.8;
}

.clip-handle.left {
    left: 0;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.clip-handle.right {
    right: 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.clip-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 16px;
    background-color: white;
    border-radius: 1px;
    box-shadow: -2px 0 0 white, 2px 0 0 white;
}

/* CapCut Playhead */
.playhead {
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--capcut-primary), var(--capcut-secondary));
    z-index: var(--z-fixed);
    cursor: ew-resize;
    pointer-events: all;
    transition: all var(--duration-fast) var(--ease-out);
}

.playhead:hover {
    width: 5px;
    transform: scaleX(1.5);
}

.playhead-line {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, var(--capcut-primary), var(--capcut-secondary));
    position: relative;
}

.playhead-line::after {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background-color: var(--capcut-primary);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: var(--shadow-lg);
    cursor: grab;
    transition: all var(--duration-fast) var(--ease-out);
}

.playhead:hover .playhead-line::after {
    transform: translateX(-50%) scale(1.3);
    box-shadow: var(--shadow-xl);
}

.playhead.dragging .playhead-line::after {
    cursor: grabbing;
    transform: translateX(-50%) scale(1.5);
    background-color: var(--capcut-secondary);
}

/* Drag and Drop Zone */
.drag-drop-zone {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px dashed var(--capcut-primary);
    background-color: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-md);
    color: var(--capcut-primary);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    z-index: var(--z-modal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.drag-drop-zone i {
    font-size: 48px;
}

.drag-drop-zone.over {
    background-color: rgba(0, 212, 255, 0.15);
    animation: none;
    transform: scale(1.02);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--background-panel);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content h3 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--surface-elevated);
    border-top: 4px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Bildirimleri */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background-color: var(--surface-elevated);
    color: var(--text-primary);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-500);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: slideIn 300ms ease-out;
    max-width: 300px;
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--error);
}

.toast.warning {
    border-left-color: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Drag and Drop */
.drag-drop-zone {
    border: 2px dashed var(--border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-secondary);
    transition: all 200ms ease-out;
}

.drag-drop-zone.drag-over {
    border-color: var(--primary-500);
    background-color: rgba(0, 122, 255, 0.1);
    color: var(--primary-500);
}

/* CapCut Responsive Design - Mobile First */

/* Tablet Breakpoint */
@media (max-width: 1024px) {
    :root {
        --left-panel-width: 240px;
        --right-panel-width: 280px;
        --bottom-panel-height: 240px;
        --control-button-size: 44px;
        --icon-size: 20px;
    }
    
    .left-panel,
    .right-panel {
        position: fixed;
        top: 0;
        height: 100vh;
        z-index: var(--z-modal);
        transform: translateX(-100%);
        transition: transform var(--duration-normal) var(--ease-out);
        box-shadow: var(--shadow-xl);
    }
    
    .right-panel {
        transform: translateX(100%);
    }
    
    .left-panel.show,
    .right-panel.show {
        transform: translateX(0);
    }
    
    .main-layout {
        grid-template-columns: 1fr;
    }
    
    .center-panel {
        padding: var(--space-md);
    }
    
    .preview-container {
        padding: var(--space-md);
        margin: var(--space-sm);
    }
    
    .top-bar {
        padding: 0 var(--space-md);
    }
    
    .panel-header {
        padding: var(--space-md);
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .timeline-track {
        height: 72px;
    }
    
    .timeline-clip {
        height: 54px;
        min-width: 80px;
        font-size: var(--font-size-xs);
    }
}

/* Mobile Breakpoint */
@media (max-width: 768px) {
    :root {
        --top-bar-height: 56px;
        --left-panel-width: 100vw;
        --right-panel-width: 100vw;
        --bottom-panel-height: 200px;
        --control-button-size: 40px;
        --icon-size: 18px;
        --icon-size-small: 16px;
    }
    
    .app-container {
        grid-template-rows: var(--top-bar-height) 1fr var(--bottom-panel-height);
    }
    
    /* Top Bar Mobile */
    .top-bar {
        padding: 0 var(--space-sm);
    }
    
    .logo {
        font-size: var(--font-size-body);
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    .top-bar-actions {
        gap: var(--space-xs);
    }
    
    .transport-controls {
        gap: var(--space-xs);
        padding: var(--space-xs);
    }
    
    .transport-btn {
        width: var(--control-button-size);
        height: var(--control-button-size);
    }
    
    .transport-btn.play-pause {
        width: 48px;
        height: 48px;
    }
    
    .time-display {
        font-size: var(--font-size-xs);
        min-width: 100px;
        padding: var(--space-xs) var(--space-sm);
    }
    
    /* Mobile Panel */
    .left-panel,
    .right-panel {
        width: 100vw;
        height: 100vh;
    }
    
    .panel-header {
        padding: var(--space-md);
        min-height: 56px;
    }
    
    .panel-title {
        font-size: var(--font-size-body);
    }
    
    .panel-content {
        padding: var(--space-sm);
    }
    
    /* Mobile Preview */
    .preview-header {
        padding: var(--space-sm) var(--space-md);
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .preview-container {
        padding: var(--space-sm);
        margin: var(--space-xs);
        border-radius: var(--radius-md);
    }
    
    .preview-stage {
        border-radius: var(--radius-sm);
    }
    
    .overlay-text {
        font-size: var(--font-size-body);
        padding: var(--space-sm) var(--space-md);
    }
    
    /* Mobile Timeline */
    .timeline-header {
        padding: var(--space-sm) var(--space-md);
    }
    
    .timeline-title {
        font-size: var(--font-size-body);
    }
    
    .timeline-track {
        height: 64px;
        border-radius: var(--radius-sm);
    }
    
    .track-header {
        width: 100px;
        padding: 0 var(--space-sm);
        font-size: var(--font-size-xs);
    }
    
    .timeline-clips {
        padding: var(--space-xs);
    }
    
    .timeline-clip {
        height: 48px;
        min-width: 60px;
        padding: 0 var(--space-sm);
        font-size: var(--font-size-xs);
        border-radius: var(--radius-sm);
    }
    
    .clip-handle {
        width: 6px;
    }
    
    /* Mobile Export */
    .export-section {
        padding: var(--space-sm) var(--space-md);
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .export-btn {
        height: var(--control-button-size);
        font-size: var(--font-size-small);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --top-bar-height: 52px;
        --bottom-panel-height: 180px;
        --control-button-size: 36px;
        --icon-size: 16px;
    }
    
    .top-bar {
        padding: 0 var(--space-xs);
    }
    
    .preview-controls {
        gap: var(--space-xs);
    }
    
    .transport-controls {
        padding: 2px;
    }
    
    .transport-btn {
        width: 36px;
        height: 36px;
    }
    
    .transport-btn.play-pause {
        width: 40px;
        height: 40px;
    }
    
    .time-display {
        min-width: 80px;
        font-size: 10px;
    }
    
    .timeline-track {
        height: 56px;
    }
    
    .timeline-clip {
        height: 42px;
        min-width: 50px;
        font-size: 10px;
        padding: 0 var(--space-xs);
    }
    
    .clip-handle {
        width: 4px;
    }
    
    .overlay-text {
        font-size: var(--font-size-small);
        padding: var(--space-xs) var(--space-sm);
    }
    
    .tool-grid {
        gap: var(--space-xs);
    }
    
    .tool-btn {
        padding: var(--space-md);
        font-size: 9px;
    }
    
    .tool-btn i {
        font-size: var(--icon-size-small);
    }
}

/* Touch Optimizations */
@media (hover: none) and (pointer: coarse) {
    .tool-btn:hover {
        transform: none;
        box-shadow: none;
    }
    
    .tool-btn:active {
        transform: scale(0.95);
        background-color: var(--bg-active);
    }
    
    .timeline-clip:hover {
        transform: none;
        box-shadow: none;
    }
    
    .timeline-clip:active {
        transform: scale(0.95);
        background-color: var(--bg-active);
    }
    
    .transport-btn:hover {
        transform: none;
    }
    
    .transport-btn:active {
        transform: scale(0.9);
    }
    
    /* Touch feedback */
    .tool-btn,
    .timeline-clip,
    .transport-btn,
    .export-btn {
        -webkit-tap-highlight-color: rgba(0, 212, 255, 0.3);
        tap-highlight-color: rgba(0, 212, 255, 0.3);
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    :root {
        --top-bar-height: 48px;
        --bottom-panel-height: 140px;
    }
    
    .preview-container {
        padding: var(--space-xs);
    }
    
    .timeline-track {
        height: 48px;
    }
    
    .timeline-clip {
        height: 36px;
    }
    
    .panel-content {
        padding: var(--space-xs);
    }
    
    .tool-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Wide Desktop */
@media (min-width: 1440px) {
    :root {
        --left-panel-width: 320px;
        --right-panel-width: 360px;
        --bottom-panel-height: 320px;
        --icon-size: 28px;
    }
    
    .panel-content {
        padding: var(--space-lg);
    }
    
    .tool-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tool-btn {
        padding: var(--space-xl);
        font-size: var(--font-size-body);
    }
    
    .tool-btn i {
        font-size: var(--icon-size);
    }
    
    .timeline-track {
        height: 90px;
    }
    
    .timeline-clip {
        height: 70px;
        min-width: 120px;
        font-size: var(--font-size-body);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .tool-btn i,
    .transport-btn i,
    .timeline-btn i {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .tool-btn:hover {
        transform: none;
    }
    
    .timeline-clip:hover {
        transform: none;
    }
    
    .transport-btn:hover {
        transform: none;
    }
}