/* Base Theme & CSS Variables */
:root {
    --bg-deep: #0a0a0f;
    --bg-surface: #14141f;
    --bg-surface-hover: #1e1e2d;
    --bg-panel: #0d0d14;
    
    --color-primary: #00ffff; /* Cyan Neon */
    --color-primary-dim: rgba(0, 255, 255, 0.2);
    --color-accent: #ff00ff; /* Magenta */
    --color-accent-dim: rgba(255, 0, 255, 0.2);
    
    --color-text: #e0e0e8;
    --color-text-muted: #8a8a9e;
    --color-success: #00ff87;
    --color-error: #ff3366;
    
    --border-subtle: 1px solid rgba(255, 255, 255, 0.05);
    --border-light: 1px solid rgba(255, 255, 255, 0.1);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-neon: 0 0 10px var(--color-primary-dim), 0 0 20px rgba(0, 255, 255, 0.1);
    --shadow-neon-accent: 0 0 10px var(--color-accent-dim), 0 0 20px rgba(255, 0, 255, 0.1);
    --shadow-panel: 0 4px 20px rgba(0, 0, 0, 0.5);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-deep);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden; /* App shell doesn't scroll, inner areas do */
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* Header */
.top-header {
    height: 60px;
    background-color: var(--bg-panel);
    border-bottom: var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
}

.logo {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}

.logo-icon {
    color: var(--color-primary);
    filter: drop-shadow(0 0 5px var(--color-primary));
}

.logo-text .highlight {
    color: var(--color-accent);
}

.search-tools input {
    background-color: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--color-text);
    width: 300px;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.search-tools input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary-dim);
}

.header-actions {
    display: flex;
    gap: 12px;
}

.icon-button {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 18px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.icon-button:hover {
    background-color: var(--bg-surface);
    color: var(--color-text);
}

/* Main Layout Setup */
.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-surface);
    border-right: var(--border-subtle);
    overflow-y: auto;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tool-category h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    padding: 0 20px;
    margin-bottom: 8px;
}

.tool-list {
    list-style: none;
}

.tool-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--color-text);
    padding: 10px 20px 10px 30px;
    font-family: var(--font-body);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    border-left: 2px solid transparent;
}

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

.tool-btn.active {
    background: linear-gradient(90deg, var(--color-primary-dim) 0%, transparent 100%);
    border-left-color: var(--color-primary);
    color: #fff;
    font-weight: 500;
}

/* Workspace */
.workspace {
    flex: 1;
    background-color: var(--bg-deep);
    position: relative;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.placeholder-content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-muted);
    font-family: var(--font-heading);
}

/* Settings Panel */
.settings-panel {
    width: 300px;
    background-color: var(--bg-surface);
    border-left: var(--border-subtle);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 16px 20px;
    border-bottom: var(--border-subtle);
}

.panel-header h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
}

.panel-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Export Bar */
.export-bar {
    height: 64px;
    background-color: var(--bg-panel);
    border-top: var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
}

.export-status {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.progress-container {
    height: 6px;
    background-color: var(--bg-surface);
    border-radius: 3px;
    width: 200px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    width: 0%;
    transition: width 0.3s ease;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #0099ff);
    color: #000;
    border: none;
    border-radius: var(--radius-md);
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 15px var(--color-primary-dim), 0 0 30px rgba(0, 255, 255, 0.4);
}

/* Utility Classes */
.text-muted {
    color: var(--color-text-muted);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Shared UI Components */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.form-control {
    background-color: var(--bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 14px;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Sliders */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    margin-top: -6px;
    box-shadow: 0 0 10px var(--color-primary-dim);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--bg-deep);
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Color Picker wrapping */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}
.color-picker-wrapper input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    overflow: hidden;
}
.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}
.color-picker-wrapper input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

/* Dropzone */
.dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-dim);
}

.dropzone-icon {
    font-size: 32px;
    margin-bottom: 8px;
}