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

/* Light Theme (Default) */
:root,
[data-theme="light"] {
    /* Amazon Design System Colors - Light Theme */
    --primary: #ff9900;
    --primary-dark: #e88b00;
    --success: #22c55e;
    --success-dark: #16a34a;
    --error: #ef4444;
    --error-light: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --danger: #ff6b6b;
    --danger-border: rgba(255, 107, 107, 0.267);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-overlay: rgba(0, 0, 0, 0.05);
    
    /* Text Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    
    /* Border Colors */
    --border-primary: #ddd;
    --border-secondary: #e5e7eb;
    --border-focus: var(--primary);
    
    /* Shadow */
    --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);
}

/* Dark Theme */
[data-theme="dark"] {
    /* Amazon Design System Colors - Dark Theme */
    --primary: #ff9900;
    --primary-dark: #ffa31a;
    --success: #22c55e;
    --success-dark: #4ade80;
    --error: #ef4444;
    --error-light: rgba(239, 68, 68, 0.2);
    --warning: #f59e0b;
    --danger: #ff6b6b;
    --danger-border: rgba(255, 107, 107, 0.4);
    
    /* Background Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2d2d2d;
    --bg-overlay: rgba(255, 255, 255, 0.05);
    
    /* Text Colors */
    --text-primary: #f5f5f5;
    --text-secondary: #a1a1a1;
    --text-tertiary: #737373;
    
    /* Border Colors */
    --border-primary: #404040;
    --border-secondary: #333333;
    --border-focus: var(--primary);
    
    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, "Helvetica Neue", sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.2s, color 0.2s;
}

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

/* Professional Header - Amazon Style */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: 1001;
    transition: background-color 0.2s, border-color 0.2s;
    gap: 16px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-center {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    height: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.experience-name-input {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 400;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 6px 10px;
    outline: none;
    min-width: 150px;
    transition: border-color 0.2s, background-color 0.2s;
}

.experience-name-input:hover {
    background-color: var(--bg-overlay);
}

.experience-name-input:focus {
    border-color: var(--border-primary);
    background-color: var(--bg-primary);
}

.header-right {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 240px;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    padding: 8px;
    z-index: 1002;
    display: none;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.2s;
    display: block;
}

.dropdown-item:hover {
    background: var(--bg-overlay);
}

/* Quick Prompt Input */
.quick-prompt-input {
    flex: 1;
    min-width: 300px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 8px;
    padding: 8px 16px;
    outline: none;
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.quick-prompt-input:hover {
    background: var(--bg-tertiary);
}

.quick-prompt-input:focus {
    border-color: var(--primary);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

/* Amazon-style Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, transform 0.1s;
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--bg-overlay);
}

.btn:active {
    transform: scale(0.98);
}

.btn-approve {
    background-color: var(--success);
    border-color: var(--success);
    color: #000;
    padding: 6px 12px;
}

.btn-approve:hover {
    background-color: var(--success-dark);
    border-color: var(--success-dark);
}

.btn-approve .btn-icon {
    font-weight: 700;
    margin-right: 4px;
}

/* Button loading states */
.btn .btn-text {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn .btn-loading {
    display: none;
    align-items: center;
    gap: 6px;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: flex;
}

.btn.loading {
    pointer-events: none;
}

/* Spinner animation */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.btn-dropdown {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-dropdown .chevron {
    margin-left: 2px;
    transition: transform 0.2s;
}

.dropdown-menu.show ~ .btn-dropdown .chevron,
.btn-dropdown:hover .chevron {
    transform: translateY(1px);
}

.btn-icon-only {
    padding: 8px;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-only svg {
    width: 20px;
    height: 20px;
}

.btn-danger {
    color: var(--danger);
    border-color: var(--danger-border);
    background-color: transparent;
}

.btn-danger:hover {
    background-color: var(--error-light);
}

.theme-icon {
    font-size: 14px;
}

/* Floating Input Panel (Collapsible Sidebar) */
.input-panel {
    position: fixed;
    left: 0;
    top: 57px; /* Below header */
    bottom: 0;
    width: 400px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-primary);
    z-index: 999;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.input-panel[data-collapsed="true"] {
    transform: translateX(-100%);
}

.input-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-secondary);
    background: var(--bg-secondary);
}

.input-panel-header h2 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
}

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

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

.input-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Main Preview Area (Full Width) */
.preview-area {
    margin-left: 400px; /* Space for panel */
    padding: 20px;
    min-height: calc(100vh - 57px - 60px); /* Header and footer */
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-panel[data-collapsed="true"] ~ .preview-area {
    margin-left: 0;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Input Section */
.input-section {
    background: transparent;
    padding: 0;
}

.input-section h2,
.input-section h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-section h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.input-section h3 {
    font-size: 1rem;
    margin-top: 25px;
    font-weight: 500;
}

.input-panel-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Icon Styles */
.icon {
    flex-shrink: 0;
    color: var(--text-secondary);
}

h2 .icon {
    color: var(--primary);
}

.tab-btn .icon {
    margin-right: 6px;
}

.optional {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

#prompt,
#contextInput {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s, background-color 0.2s, color 0.2s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

#prompt:focus,
#contextInput:focus {
    outline: none;
    border-color: var(--border-focus);
}

.context-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.context-inputs label {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.context-inputs span {
    font-weight: 600;
    font-size: 0.9rem;
}

.context-inputs select,
.context-inputs input {
    padding: 10px;
    border: 2px solid var(--border-secondary);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.context-inputs select:focus,
.context-inputs input:focus {
    outline: none;
    border-color: var(--border-focus);
}

/* Examples */
.examples {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.examples h4 {
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.example-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    margin: 5px 5px 5px 0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    color: var(--text-primary);
}

.example-btn:hover {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Buttons */
.generate-btn,
.cancel-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.generate-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    margin-bottom: 10px;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.generate-btn.loading .btn-text {
    display: none;
}

.generate-btn:not(.loading) .btn-loading {
    display: none;
}

.cancel-btn {
    background: var(--error);
    color: white;
}

.cancel-btn:hover {
    background: #dc2626;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
}

/* Tabs in preview area (removed but keeping for compatibility) */
.tabs:not(.tabs-header) {
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-secondary);
}

/* Tabs in header */
.tabs-header {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 4px;
    gap: 2px;
}

.tab-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Tabs in header styling */
.tabs-header .tab-btn {
    padding: 6px 12px;
    font-size: 13px;
}

.tabs-header .tab-btn:hover {
    background: var(--bg-overlay);
    color: var(--text-primary);
}

.tabs-header .tab-btn.active {
    background: var(--bg-primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Legacy tabs styling (for non-header tabs) */
.tabs:not(.tabs-header) .tab-btn {
    padding: 12px 20px;
    font-size: 1rem;
    border-bottom: 3px solid transparent;
    border-radius: 0;
}

.tabs:not(.tabs-header) .tab-btn:hover {
    color: var(--text-primary);
}

.tabs:not(.tabs-header) .tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    min-height: 400px;
}

.tab-content.active {
    display: block;
}

/* Empty State */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Widget Tree */
.widget-tree {
    background: var(--bg-tertiary);
    overflow: auto;
    width: "100%";
    height: "100%";
}

/* Widget Styles */
.widget-flex,
.widget-box,
.widget-stack,
.widget-center,
.widget-positioned,
.widget-expanded,
.widget-scroll,
.widget-list,
.widget-grid,
.widget-card {
    box-sizing: border-box;
    width: "100%";
    height: "100%";
}

.widget-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.widget-image {
    max-width: 100%;
    height: auto;
    display: block;
}

.widget-icon {
    display: inline-block;
    line-height: 1;
}

.widget-button {
    transition: all 0.2s;
}

.widget-button:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.widget-button:active:not(:disabled) {
    transform: translateY(0);
}

.widget-textinput {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.widget-textinput:focus {
    outline: none;
    border-color: var(--border-focus);
}

.widget-checkbox,
.widget-toggle {
    cursor: pointer;
}

.widget-fallback {
    font-family: "Courier New", monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Additional Widget Styles */
.widget-slider {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    outline: none;
}

.widget-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.widget-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.widget-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.widget-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

.widget-dropdown {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.widget-dropdown:focus {
    outline: none;
    border-color: var(--border-focus);
}

.widget-iconbutton:hover:not(:disabled) {
    background-color: #e5e7eb;
    transform: scale(1.05);
}

.widget-iconbutton:active:not(:disabled) {
    transform: scale(0.95);
}

.widget-listtile:hover {
    background-color: var(--bg-tertiary);
}

.widget-chip {
    border: 1px solid transparent;
}

.widget-chip:hover {
    border-color: #d1d5db;
    background-color: #e5e7eb;
}

/* Navigation Widget Styles */
.widget-screen {
    box-sizing: border-box;
    width: "100%";
    height: "100%";
}

.widget-appbar {
    position: sticky;
    top: 0;
    z-index: 100;
}

.widget-bottomnav {
    position: sticky;
    bottom: 0;
    z-index: 100;
}

.widget-tabbar {
    overflow-x: auto;
}

.widget-tabbar > * {
    white-space: nowrap;
}

.widget-tabbar > *:hover {
    background-color: #f3f4f6;
}

/* JSON Output */
.json-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.icon-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-secondary);
    background: var(--bg-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-focus);
}

.icon-btn .icon {
    color: var(--text-secondary);
}

.icon-btn:hover .icon {
    color: var(--text-primary);
}

.json-output {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: "Courier New", monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    border: 1px solid var(--border-secondary);
}

/* Event Log */
.log-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.event-log {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.log-entry {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    border-left: 4px solid;
}

.log-entry.streaming {
    background: var(--bg-overlay);
    border-left-color: var(--primary);
}

.log-entry.complete {
    background: rgba(34, 197, 94, 0.1);
    border-left-color: var(--success);
}

.log-entry.error {
    background: var(--error-light);
    border-left-color: var(--error);
}

.log-timestamp {
    font-weight: 600;
    margin-bottom: 5px;
}

.log-message {
    color: var(--text-secondary);
}

/* Metadata */
.metadata {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.metadata-item {
    text-align: center;
}

.metadata-item .label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.metadata-item .value {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Error Message */
.error-message {
    background: var(--error-light);
    border: 2px solid var(--error);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    color: var(--error);
}

.error-message strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .input-panel {
        width: 350px;
    }

    .preview-area {
        margin-left: 350px;
    }

    .input-panel[data-collapsed="true"] ~ .preview-area {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    /* Mobile: Full-width panel overlay */
    .input-panel {
        width: 100%;
        max-width: 400px;
    }

    .preview-area {
        margin-left: 0;
    }

    /* Header adjustments for mobile */
    .app-header {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px 15px;
    }

    .header-center {
        order: 3;
        width: 100%;
        max-width: none;
        margin: 0;
    }

    .header-right {
        order: 2;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .quick-prompt-input {
        min-width: 0;
        font-size: 13px;
    }

    .logo-text {
        font-size: 18px;
    }

    /* Stack tabs vertically on mobile */
    .tabs-header {
        width: 100%;
        order: 4;
        margin-top: 8px;
    }

    .tabs-header .tab-btn {
        flex: 1;
        justify-content: center;
    }
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loading::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}