/* 
   Scoping to .fvg-app ensures this CSS does NOT leak into your website's main theme 
*/
.fvg-app {
    --fvg-bg-main: #0c0a15;
    --fvg-bg-panel: #161426;
    --fvg-bg-input: #08070e;
    --fvg-accent: #6366f1;       /* Indigo */
    --fvg-accent-hover: #4f46e5;
    --fvg-accent-dim: rgba(99, 102, 241, 0.15);
    --fvg-text-main: #f8fafc;
    --fvg-text-muted: #8b8a96;
    --fvg-border: #2a283e;
    --fvg-success: #10b981;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--fvg-bg-main);
    color: var(--fvg-text-main);
    
    /* Full screen scaling mechanism */
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    flex-direction: row;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--fvg-border);
    border-radius: 12px;
}

.fvg-app * { box-sizing: border-box; }

/* --- Sidebar --- */
.fvg-sidebar {
    width: 360px;
    min-width: 360px;
    background-color: var(--fvg-bg-panel);
    border-right: 1px solid var(--fvg-border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow-y: auto;
    z-index: 10;
}

.fvg-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.fvg-logo {
    background: linear-gradient(135deg, var(--fvg-accent), #ec4899);
    padding: 10px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fvg-logo svg { width: 24px; height: 24px; color: #fff; }

.fvg-title { font-size: 1.5rem; font-weight: 800; margin: 0; color: #ffffff; letter-spacing: -0.5px; }
.fvg-title span { color: var(--fvg-accent); }
.fvg-subtitle { font-size: 0.8rem; color: var(--fvg-text-muted); margin: 2px 0 0 0; text-transform: uppercase; letter-spacing: 1px; }

/* Tabs */
.fvg-tabs {
    display: flex;
    background-color: var(--fvg-bg-input);
    border: 1px solid var(--fvg-border);
    border-radius: 8px;
    padding: 4px;
    margin-bottom: 24px;
}

.fvg-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--fvg-text-muted);
    padding: 8px 0;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.fvg-tab-btn.active {
    background-color: var(--fvg-bg-panel);
    color: var(--fvg-text-main);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* Controls */
.fvg-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fvg-panel { display: none; }
.fvg-panel.active { display: block; animation: fadeIn 0.3s; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

.fvg-section-title { font-size: 0.85rem; margin: 0; color: var(--fvg-text-main); text-transform: uppercase; letter-spacing: 1px; }
.fvg-divider { height: 1px; background-color: var(--fvg-border); margin: 4px 0; }

.fvg-control-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.fvg-row { display: flex; gap: 12px; }
.fvg-w-half { flex: 1; }

.fvg-label-row { display: flex; justify-content: space-between; align-items: center; }
.fvg-control-group label { font-size: 0.85rem; font-weight: 600; color: var(--fvg-text-muted); text-transform: uppercase; }

.fvg-val-badge {
    background-color: var(--fvg-accent-dim);
    color: var(--fvg-accent);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 12px;
}

.fvg-input, .fvg-select {
    width: 100%;
    background-color: var(--fvg-bg-input);
    border: 1px solid var(--fvg-border);
    color: var(--fvg-text-main);
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}
.fvg-select { cursor: pointer; }
.fvg-input:focus, .fvg-select:focus { border-color: var(--fvg-accent); box-shadow: 0 0 0 3px var(--fvg-accent-dim); }

/* Color Pickers */
.fvg-color-picker-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--fvg-bg-input);
    border: 1px solid var(--fvg-border);
    border-radius: 8px;
    padding: 4px 8px;
    transition: border-color 0.2s;
}
.fvg-color-picker-wrap:focus-within { border-color: var(--fvg-accent); }

.fvg-color-input {
    -webkit-appearance: none;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    cursor: pointer;
    background: none;
    padding: 0;
}
.fvg-color-input::-webkit-color-swatch-wrapper { padding: 0; }
.fvg-color-input::-webkit-color-swatch { border: 1px solid var(--fvg-border); border-radius: 4px; }

.fvg-hex-input {
    background: transparent;
    border: none;
    padding: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    text-transform: uppercase;
}
.fvg-hex-input:focus { box-shadow: none; }

/* Sliders */
.fvg-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--fvg-border);
    border-radius: 4px;
    outline: none;
    margin: 8px 0;
}
.fvg-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--fvg-accent);
    cursor: pointer;
    transition: transform 0.1s;
}
.fvg-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

/* Upload Zone */
.fvg-upload-zone {
    border: 2px dashed var(--fvg-border);
    border-radius: 8px;
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: rgba(20, 20, 26, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.fvg-upload-zone:hover { border-color: var(--fvg-accent); background-color: var(--fvg-accent-dim); }
.fvg-upload-zone svg { width: 24px; height: 24px; color: var(--fvg-accent); }
.fvg-upload-zone span { font-size: 0.85rem; font-weight: 600; color: var(--fvg-text-main); }

/* Actions */
.fvg-sidebar-actions {
    margin-top: auto;
    padding-top: 24px;
}

.fvg-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    color: #ffffff;
}
.fvg-btn svg { width: 20px; height: 20px; }
.fvg-btn:active:not(:disabled) { transform: scale(0.97); }

.fvg-btn-primary { background-color: var(--fvg-accent); }
.fvg-btn-primary:hover:not(:disabled) { background-color: var(--fvg-accent-hover); box-shadow: 0 4px 15px var(--fvg-accent-dim); }

.fvg-btn-ghost {
    background: transparent;
    border: 1px solid var(--fvg-border);
    color: var(--fvg-text-main);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.fvg-btn-ghost:hover { background-color: var(--fvg-bg-panel); }

/* --- Main Workspace --- */
.fvg-workspace {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(var(--fvg-border) 1px, transparent 1px);
    background-size: 24px 24px;
    overflow: hidden;
}

.fvg-workspace-header {
    padding: 24px 32px 12px 32px;
    border-bottom: 1px solid var(--fvg-border);
    background-color: rgba(12, 10, 21, 0.8);
    backdrop-filter: blur(10px);
    z-index: 5;
}

.fvg-workspace-title { font-size: 1.1rem; font-weight: 700; color: var(--fvg-text-main); margin: 0; }

.fvg-preview-container {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

/* Mock Browser */
.fvg-mock-browser {
    width: 100%;
    max-width: 600px;
    background-color: #202124;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid #3c4043;
}
.fvg-mock-toolbar {
    display: flex;
    align-items: flex-end;
    padding: 10px 12px 0 12px;
    background-color: #1a1a1c;
    gap: 12px;
}
.fvg-mock-dots { display: flex; gap: 6px; margin-bottom: 12px; margin-right: 8px; }
.fvg-mock-dots span { width: 12px; height: 12px; border-radius: 50%; background-color: #333; }
.fvg-mock-dots span:nth-child(1) { background-color: #ff5f56; }
.fvg-mock-dots span:nth-child(2) { background-color: #ffbd2e; }
.fvg-mock-dots span:nth-child(3) { background-color: #27c93f; }

.fvg-mock-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #323639;
    padding: 8px 16px;
    border-radius: 8px 8px 0 0;
    min-width: 200px;
    position: relative;
}
.fvg-mock-tab::before, .fvg-mock-tab::after {
    content: ''; position: absolute; bottom: 0; width: 10px; height: 10px;
}
.fvg-mock-tab::before { left: -10px; background: radial-gradient(circle at 0 0, transparent 10px, #323639 10px); }
.fvg-mock-tab::after { right: -10px; background: radial-gradient(circle at 10px 0, transparent 10px, #323639 10px); }

.fvg-mock-tab-inactive { background-color: transparent; opacity: 0.6; }
.fvg-mock-tab-inactive::before, .fvg-mock-tab-inactive::after { display: none; }

.fvg-mock-tab img { width: 16px; height: 16px; }
.fvg-mock-tab svg { width: 16px; height: 16px; color: #fff; }
.fvg-mock-tab-title { font-size: 0.75rem; color: #fff; font-family: arial; }

.fvg-mock-address-bar {
    background-color: #323639;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: #fff;
    font-family: arial;
    border-bottom: 1px solid #3c4043;
}
.fvg-mock-address-bar svg { width: 16px; height: 16px; color: #9aa0a6; }

/* Mock Mobile App Screen */
.fvg-mock-mobile {
    display: flex;
    gap: 24px;
    background-color: rgba(255,255,255,0.05);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--fvg-border);
}

.fvg-mock-app {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.fvg-mock-app img, .fvg-dummy-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px; /* iOS standard is roughly 22% of size */
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.fvg-mock-app span { font-size: 0.75rem; color: var(--fvg-text-main); }
.fvg-mock-app.dummy { opacity: 0.5; }

/* Code Output */
.fvg-code-box {
    width: 100%;
    max-width: 600px;
    background-color: var(--fvg-bg-input);
    border: 1px solid var(--fvg-border);
    border-radius: 12px;
    overflow: hidden;
}

.fvg-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background-color: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--fvg-border);
    font-size: 0.85rem;
    font-weight: 600;
}

.fvg-textarea {
    width: 100%;
    background: transparent;
    border: none;
    color: #a5d6ff;
    padding: 16px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    outline: none;
    resize: none;
    height: 100px;
}

/* Loader */
.fvg-loader {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(12, 10, 21, 0.9);
    backdrop-filter: blur(5px);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    z-index: 100; opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.fvg-loader.active { opacity: 1; pointer-events: all; }

.fvg-spinner {
    width: 50px; height: 50px; border: 4px solid var(--fvg-border);
    border-top-color: var(--fvg-accent); border-radius: 50%;
    animation: spin 1s linear infinite; margin-bottom: 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.fvg-loader-text { font-size: 1.1rem; font-weight: 600; }

/* Toast */
.fvg-toast {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(100px);
    background-color: var(--fvg-success); color: white; padding: 12px 24px; border-radius: 30px;
    font-weight: 600; font-size: 0.95rem; opacity: 0; transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 110;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.fvg-toast.fvg-show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* Responsive */
@media (max-width: 900px) {
    .fvg-app { flex-direction: column; height: auto; min-height: 100vh; }
    .fvg-sidebar { width: 100%; min-width: 100%; border-right: none; border-bottom: 1px solid var(--fvg-border); }
    .fvg-workspace { min-height: 80vh; }
}