@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-panel: #242424;
    --text-primary: #e0e0e0;
    --border-color: #404040;
    --accent-blue: #4a9eff;
    --accent-blue-dark: #316ac5;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    background-image: none;
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    position: relative;
    transition: background 0.3s, color 0.3s;
}

body.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-panel: #242424;
    --text-primary: #e0e0e0;
    --border-color: #404040;
    --accent-blue: #4a9eff;
    --accent-blue-dark: #316ac5;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, #d4d0c8 100%);
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-color);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    min-height: 40px;
}

body.dark-mode .header {
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, #1a1a1a 100%);
}

.header-tools {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.tool-separator {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 0.25rem;
}

.header-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.dark-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
}

.dark-mode-toggle input[type="checkbox"] {
    width: 36px;
    height: 18px;
    -webkit-appearance: none;
    appearance: none;
    background: #d4d0c8;
    border: 1px inset var(--bg-secondary);
    border-radius: 0;
    position: relative;
    cursor: pointer;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.dark-mode-toggle input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: linear-gradient(to bottom, #f0f0f0 0%, #d4d0c8 100%);
    top: 1px;
    left: 1px;
    transition: transform 0.2s;
    border: 1px outset var(--bg-secondary);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.dark-mode-toggle input[type="checkbox"]:checked {
    background: var(--accent-blue);
}

.dark-mode-toggle input[type="checkbox"]:checked::before {
    transform: translateX(18px);
}

/* Buttons */
.btn {
    padding: 0.5rem 1.25rem;
    border: 2px outset var(--bg-secondary);
    background: linear-gradient(to bottom, #f0f0f0 0%, #d4d0c8 100%);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    text-align: center;
    transition: all 0.1s;
    box-shadow: 
        inset 1px 1px 0 rgba(255, 255, 255, 0.8),
        inset -1px -1px 0 rgba(0, 0, 0, 0.2),
        1px 1px 2px rgba(0, 0, 0, 0.1);
    min-width: 80px;
    min-height: 28px;
}

.btn:hover {
    background: linear-gradient(to bottom, #f5f5f5 0%, #e0e0e0 100%);
    border-color: #a0a0a0;
}

.btn:active {
    border: 2px inset var(--bg-secondary);
    background: linear-gradient(to bottom, #d4d0c8 0%, #f0f0f0 100%);
    box-shadow: 
        inset 1px 1px 2px rgba(0, 0, 0, 0.3),
        inset -1px -1px 0 rgba(255, 255, 255, 0.5);
    transform: translate(1px, 1px);
}

.btn-tool {
    min-width: 60px;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    color: #1a1a1a !important; /* Dark text for light button background */
    font-weight: 600;
}

.btn-tool.active {
    background: linear-gradient(to bottom, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
    color: #fff;
    border-color: var(--accent-blue-dark);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

.btn-tool.active:active {
    background: linear-gradient(to bottom, var(--accent-blue-dark) 0%, var(--accent-blue) 100%);
    border: 2px inset var(--accent-blue);
}

.btn-primary {
    background: linear-gradient(to bottom, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
    color: #fff;
    border: 2px outset var(--accent-blue);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
    background: linear-gradient(to bottom, #3d7bd5 0%, #2a52a4 100%);
    border-color: var(--accent-blue-dark);
}

.btn-primary:active {
    background: linear-gradient(to bottom, var(--accent-blue-dark) 0%, var(--accent-blue) 100%);
    border: 2px inset var(--accent-blue);
}

.btn-secondary {
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 2px outset var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    min-width: 80px;
    min-height: 28px;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.1s;
}

.btn-secondary:hover {
    background: linear-gradient(to bottom, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-secondary:active {
    background: linear-gradient(to bottom, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 2px inset var(--border-color);
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-small {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    min-width: 100px;
    min-height: 24px;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Panels */
.left-panel, .right-panel {
    width: 260px;
    background: var(--bg-panel);
    border-right: 2px solid var(--border-color);
    overflow-y: auto;
    padding: 1rem;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.2);
}

.right-panel {
    border-right: none;
    border-left: 2px solid var(--border-color);
    box-shadow: inset 1px 0 0 rgba(0, 0, 0, 0.2);
}

.panel-section {
    margin-bottom: 1.5rem;
    background: var(--bg-panel);
    border: 1px inset var(--bg-secondary);
    padding: 0.75rem;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.panel-section h3 {
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

/* Shapes List */
.shapes-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.shape-item {
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px inset var(--bg-secondary);
    cursor: pointer;
    transition: all 0.1s;
    position: relative;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

body.dark-mode .shape-item {
    background: rgba(40, 40, 40, 0.5);
}

.shape-item:hover {
    background: rgba(240, 240, 240, 0.8);
    border-color: #a0a0a0;
}

body.dark-mode .shape-item:hover {
    background: rgba(60, 60, 60, 0.8);
}

.shape-item.selected {
    background: rgba(49, 106, 197, 0.2);
    border: 2px inset var(--accent-blue);
    box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.shape-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.shape-item-name {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.shape-item-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.shape-item-keybind {
    font-size: 0.7rem;
    color: var(--accent-blue-dark);
    background: rgba(49, 106, 197, 0.1);
    padding: 0.2rem 0.5rem;
    border: 1px inset var(--accent-blue);
    font-family: monospace;
    font-weight: 600;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.shape-duplicate-btn,
.shape-delete-btn {
    background: transparent;
    border: 1px outset var(--bg-secondary);
    color: var(--text-primary);
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.shape-duplicate-btn:hover {
    background: rgba(49, 106, 197, 0.2);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.shape-duplicate-btn:active {
    border: 1px inset var(--bg-secondary);
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.shape-delete-btn:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: #ff0000;
    color: #ff0000;
}

.shape-delete-btn:active {
    border: 1px inset var(--bg-secondary);
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.shape-item[draggable="true"] {
    cursor: move;
}

.shape-item[draggable="true"]:hover {
    opacity: 0.9;
}

/* Shape Properties */
.shape-properties {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.property-label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.property-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.audio-color-options {
    margin-top: 0.5rem;
}

.property-name {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Inter', sans-serif;
}

.keybind-input, .effect-select, .youtube-input {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px inset var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

body.dark-mode .keybind-input,
body.dark-mode .effect-select,
body.dark-mode .youtube-input {
    background: rgba(40, 40, 40, 0.8);
}

.keybind-input {
    font-family: monospace;
    font-weight: 600;
    text-transform: uppercase;
}

.keybind-input:focus, .effect-select:focus, .youtube-input:focus {
    outline: none;
    border: 2px inset var(--accent-blue);
    background: rgba(49, 106, 197, 0.1);
}

#colorInput, #strokeColorInput {
    width: 100%;
    height: 40px;
    border: 1px inset var(--bg-secondary);
    cursor: pointer;
    background: #fff;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

#opacityInput, #strokeWidthInput, #penWidthInput {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #d4d0c8;
    border: 1px inset var(--bg-secondary);
    outline: none;
}

#opacityInput::-webkit-slider-thumb,
#strokeWidthInput::-webkit-slider-thumb,
#penWidthInput::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: linear-gradient(to bottom, #f0f0f0 0%, #d4d0c8 100%);
    cursor: pointer;
    border: 1px outset var(--bg-secondary);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Audio Mode */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
}

.toggle-label input[type="checkbox"] {
    width: 40px;
    height: 20px;
    -webkit-appearance: none;
    appearance: none;
    background: #d4d0c8;
    border: 1px inset var(--bg-secondary);
    border-radius: 0;
    position: relative;
    cursor: pointer;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
}

.toggle-label input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: linear-gradient(to bottom, #f0f0f0 0%, #d4d0c8 100%);
    top: 1px;
    left: 1px;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px outset var(--bg-secondary);
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.toggle-label input[type="checkbox"]:checked {
    background: var(--accent-blue);
    border-color: var(--accent-blue-dark);
}

.toggle-label input[type="checkbox"]:checked::before {
    transform: translateX(20px);
}

.audio-visualizer {
    width: 100%;
    height: 100px;
    background: #000;
    border: 1px inset var(--bg-secondary);
    border-radius: 0;
    overflow: hidden;
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.audio-visualizer canvas {
    width: 100%;
    height: 100%;
}

/* Canvas Area */
.canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #fff;
    position: relative;
    border: 2px inset var(--bg-secondary);
    margin: 0.5rem;
    box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

body.dark-mode .canvas-area {
    background: #0a0a0a;
}

.canvas-container {
    position: relative;
    flex: 1;
    position: relative;
    overflow: hidden;
}

#editorCanvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
    display: block;
    background: #fff;
}

body.dark-mode #editorCanvas {
    background: #0a0a0a;
}

/* YouTube Dialog */
.image-dialog,
.youtube-dialog {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-panel);
    border: 2px outset var(--border-color);
    padding: 1.5rem;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    min-width: 300px;
}

.image-dialog-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
}

.image-hint {
    font-size: 0.8rem;
    color: var(--text-primary);
    opacity: 0.7;
    margin: 0.5rem 0;
    text-align: center;
}

.youtube-dialog {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--bg-panel);
    border: 2px outset var(--bg-secondary);
    padding: 1rem;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    min-width: 300px;
}

.youtube-dialog h3 {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dialog-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dialog-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 16px;
    height: 16px;
}

::-webkit-scrollbar-track {
    background: #d4d0c8;
    border: 1px inset var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--bg-secondary) 0%, #d4d0c8 100%);
    border: 1px outset var(--bg-secondary);
    box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #f0f0f0 0%, var(--bg-secondary) 100%);
}

::-webkit-scrollbar-button {
    background: #d4d0c8;
    border: 1px outset var(--bg-secondary);
    height: 16px;
    width: 16px;
}

::-webkit-scrollbar-corner {
    background: #d4d0c8;
}