/* CSS Variables for theming */
:root {
    --text-color: #333333;
    --accent-color: #007acc;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --button-bg: #f5f5f5;
    --button-hover: #e0e0e0;
    --button-active: #007acc;
    --button-active-text: #ffffff;
    --bg-light: #ffffff;
    --bg-gray: #f8f9fa;
    --panel-bg: #ffffff;
    --panel-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --focus-ring: 0 0 0 2px rgba(0, 122, 204, 0.3);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-color);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App layout */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1rem 1.5rem;
    text-align: center;
    box-shadow: var(--panel-shadow);
}

.app-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.app-main {
    flex: 1;
    padding: 2rem 1rem;
}

.app-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    grid-template-rows: auto auto;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
}

.controls-panel {
    grid-column: 1;
    grid-row: 1;
}

.size-section {
    grid-column: 1;
    grid-row: 2;
}

.preview-panel {
    grid-column: 2;
    grid-row: 1 / -1;
}

/* Panel styling - consolidated for controls and size sections */
.controls-panel,
.size-section {
    background-color: var(--panel-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--panel-shadow);
    border: 1px solid var(--border-color);
    height: fit-content;
}

/* Preview Panel */
.preview-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.preview-section,
.code-section {
    background-color: var(--panel-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--panel-shadow);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

/* Clock Preview */
.clock-preview {
    background-color: var(--bg-gray);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#clock-iframe {
    border-radius: 6px;
    background-color: transparent;
    max-width: 100%;
    border: 0;
    display: block; /* Remove default inline spacing */
}

/* Code Section */
.code-content {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-gray);
}

.code-textarea {
    width: 100%;
    height: 120px;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    line-height: 1.4;
    background-color: var(--bg-gray);
    color: var(--text-color);
    resize: none;
    white-space: pre-wrap;
    overflow-wrap: break-word;
    overflow-x: hidden;
}

.code-textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.copy-button {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: var(--button-active);
    color: var(--button-active-text);
    border: none;
    border-radius: 6px;
    padding: 0.375rem 0.625rem;
    min-width: 50px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
}

.copy-button:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
}

.copy-button.copied {
    background-color: #28a745;
}



/* Controls Styles */
.clock-widget__controls,
.size-controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.control-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-color);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.control-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

/* Button styling - consolidated for all widget buttons */
.clock-widget__button {
    background-color: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 55px;
    text-transform: uppercase;
}

.clock-widget__button:hover {
    background-color: var(--button-hover);
    transform: translateY(-1px);
}

.clock-widget__button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.clock-widget__button:active {
    transform: translateY(0);
}

.clock-widget__button.active {
    background-color: var(--button-active);
    color: var(--button-active-text);
    border-color: var(--button-active);
}

.clock-widget__button:disabled {
    background-color: var(--button-bg);
    color: var(--text-color);
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.clock-widget__button:disabled:hover {
    background-color: var(--button-bg);
    transform: none;
}

/* Specialized button styles */
.reset-button {
    background-color: #ff6b6b;
    color: white;
    border-color: #ff6b6b;
    width: 140px !important;
    font-size: 0.75rem !important;
    padding: 0.625rem 1rem !important;
    font-weight: 600 !important;
    margin: 0 auto !important;
    display: block !important;
}

.reset-button:hover {
    background-color: #ff5252;
    border-color: #ff5252;
}

.size-mode-btn {
    min-width: 80px !important;
    padding: 0.5rem 0.875rem !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
}

.style-btn {
    min-width: 55px !important;
    padding: 0.5rem 0.875rem !important;
    font-size: 0.75rem !important;
    font-weight: 600;
}

.style-btn em {
    font-style: italic;
    font-weight: normal;
}

/* Control-specific styling */
.styling-control,
.color-control,
.size-control,
.dimension-control {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    flex: 1;
}

.styling-label,
.color-control label,
.size-control label,
.dimension-control label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.7;
    text-transform: uppercase;
}

.styling-buttons {
    display: flex;
    gap: 0.25rem;
}

/* Color picker and option button styling */
.color-picker {
    width: 55px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    background: none;
    padding: 2px;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: 4px;
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.color-option-btn {
    width: 55px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    background: none;
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.color-option-btn:hover {
    border-color: var(--accent-color);
}

.color-option-btn.active {
    border-color: var(--button-active);
    border-width: 2px;
    padding: 1px;
}

.color-picker:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

.color-option-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

.transparent-indicator {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
                linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
    background-color: #ffffff;
}

/* Range slider styling */
.size-slider {
    width: 100%;
    max-width: 90px;
    height: 4px;
    background: var(--button-bg);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
}

.size-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.size-slider:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

.size-slider:focus::-webkit-slider-thumb {
    box-shadow: var(--focus-ring);
}

.size-slider:focus::-moz-range-thumb {
    box-shadow: var(--focus-ring);
}

/* Dimension input styling */
.dimension-input {
    width: 80px;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.75rem;
    text-align: center;
    background-color: var(--bg-light);
    color: var(--text-color);
}

.dimension-input:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-color: var(--accent-color);
    box-shadow: var(--focus-ring);
}

/* Utility classes */
.hidden {
    display: none !important;
}

/* Responsive design */
@media (max-width: 1024px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
    }
    
    .controls-panel {
        grid-column: auto;
        grid-row: auto;
        order: 1;
    }
    
    .size-section {
        grid-column: auto;
        grid-row: auto;
        order: 2;
    }
    
    .preview-section {
        order: 3;
    }
    
    .code-section {
        order: 4;
    }
    
    .reset-button {
        order: 5;
        margin-top: 1rem !important;
        align-self: center;
        justify-self: center;
    }
    
    .preview-panel {
        grid-column: auto;
        grid-row: auto;
        display: contents;
    }
}

@media (max-width: 768px) {
    .app-main {
        padding: 1rem 0.5rem;
    }
    
    .app-header {
        padding: 1.5rem 1rem 1rem;
    }
    
    .app-title {
        font-size: 2rem;
    }
    
    .controls-panel,
    .size-section,
    .preview-section,
    .code-section {
        padding: 1rem;
    }
    
    .control-row {
        justify-content: center;
    }
    
    .clock-widget__button:not(.reset-button) {
        font-size: 0.625rem;
        padding: 0.375rem 0.625rem;
        min-width: 45px;
    }
    
    .size-mode-btn {
        min-width: 65px !important;
        font-size: 0.625rem !important;
        padding: 0.375rem 0.625rem !important;
    }
    
    .style-btn {
        min-width: 45px !important;
        padding: 0.375rem 0.625rem !important;
        font-size: 0.625rem !important;
    }
    
    .color-picker,
    .color-option-btn {
        width: 45px;
        height: 32px;
    }
    
    .code-textarea {
        height: 100px;
        font-size: 0.625rem;
    }
    
    .dimension-input {
        width: 70px;
        font-size: 0.625rem;
    }
}

@media (max-width: 480px) {
    .app-layout {
        gap: 1rem;
    }
    
    .app-title {
        font-size: 1.75rem;
    }
    
    .controls-panel,
    .size-section,
    .preview-section,
    .code-section {
        padding: 0.75rem;
    }
    
    .control-group {
        gap: 0.5rem;
    }
    
    .control-row {
        gap: 0.375rem;
    }
    
    .clock-widget__button:not(.reset-button) {
        font-size: 0.625rem;
        padding: 0.25rem 0.5rem;
        min-width: 40px;
    }
    
    .size-mode-btn {
        min-width: 60px !important;
        font-size: 0.625rem !important;
        padding: 0.25rem 0.5rem !important;
    }
    
    .style-btn {
        min-width: 40px !important;
        padding: 0.25rem 0.5rem !important;
        font-size: 0.625rem !important;
    }
    
    .color-picker,
    .color-option-btn {
        width: 45px;
        height: 28px;
    }
}