/* 
   Scoping to .reg-app ensures this CSS does NOT leak into your website's main theme 
*/
.reg-app {
    --reg-bg-main: #09090b;
    --reg-bg-panel: #18181b;
    --reg-bg-input: #000000;
    --reg-accent: #f43f5e;       /* Vibrant Rose */
    --reg-accent-hover: #e11d48;
    --reg-accent-dim: rgba(244, 63, 94, 0.15);
    --reg-text-main: #f8fafc;
    --reg-text-muted: #a1a1aa;
    --reg-border: #27272a;
    --reg-danger: #ef4444;
    --reg-success: #10b981;
    
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--reg-bg-main);
    color: var(--reg-text-main);
    
    /* Full screen scaling mechanism */
    width: 100%;
    height: 100vh;
    min-height: 650px;
    display: flex;
    flex-direction: row;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--reg-border);
    border-radius: 12px;
}

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

/* --- Sidebar --- */
.reg-sidebar {
    width: 380px;
    min-width: 380px;
    background-color: var(--reg-bg-panel);
    border-right: 1px solid var(--reg-border);
    display: flex;
    flex-direction: column;
    padding: 32px 24px;
    overflow-y: auto;
    z-index: 10;
}

.reg-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.reg-logo {
    background: linear-gradient(135deg, var(--reg-accent), #8b5cf6);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--reg-accent-dim);
}

.reg-logo-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.reg-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.reg-title span {
    color: var(--reg-accent);
}

.reg-subtitle {
    font-size: 0.8rem;
    color: var(--reg-text-muted);
    margin: 2px 0 0 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Controls --- */
.reg-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.reg-control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.reg-control-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--reg-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reg-input, .reg-select {
    width: 100%;
    background-color: var(--reg-bg-input);
    border: 1px solid var(--reg-border);
    color: var(--reg-text-main);
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}

.reg-select {
    cursor: pointer;
}

.reg-input:focus, .reg-select:focus {
    border-color: var(--reg-accent);
    box-shadow: 0 0 0 3px var(--reg-accent-dim);
}

/* Generate Button */
.reg-generate-btn {
    margin-top: auto;
    padding: 18px !important;
    font-size: 1.1rem !important;
    box-shadow: 0 8px 25px var(--reg-accent-dim);
}

.reg-generate-btn svg {
    width: 22px !important;
    height: 22px !important;
}

/* --- Main Workspace --- */
.reg-workspace {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 32px;
    background-image: radial-gradient(var(--reg-border) 1px, transparent 1px);
    background-size: 24px 24px;
    overflow: hidden;
    gap: 24px;
}

/* Showcase Grid */
.reg-showcase-card {
    flex: 3;
    background: rgba(24, 24, 27, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--reg-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.5);
    overflow: hidden;
}

.reg-showcase-header {
    padding: 16px 24px;
    background-color: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--reg-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reg-showcase-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--reg-text-muted);
    font-weight: 700;
}

.reg-badge {
    background-color: var(--reg-accent-dim);
    color: var(--reg-accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.reg-grid-container {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 16px;
}

.reg-empty-state {
    width: 100%;
    text-align: center;
    color: var(--reg-text-muted);
    font-size: 1.2rem;
    margin-top: 100px;
    opacity: 0.5;
}

/* Individual Emoji Animation */
.reg-emoji-item {
    font-size: 3rem;
    line-height: 1;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
    transform: scale(0.5);
    cursor: default;
    user-select: none;
    transition: transform 0.2s;
}

.reg-emoji-item:hover {
    transform: scale(1.2) !important;
}

@keyframes popIn {
    to { opacity: 1; transform: scale(1); }
}

/* Output Container */
.reg-output-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--reg-bg-panel);
    border: 1px solid var(--reg-border);
    border-radius: 12px;
    overflow: hidden;
}

.reg-textarea {
    flex-grow: 1;
    width: 100%;
    resize: none;
    background-color: transparent;
    border: none;
    color: var(--reg-text-main);
    padding: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
    outline: none;
}

/* Actions */
.reg-actions {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--reg-border);
    background-color: rgba(0,0,0,0.2);
}

.reg-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: #ffffff;
}

.reg-btn svg { width: 18px; height: 18px; }
.reg-btn:active { transform: scale(0.97); }

.reg-btn-primary { background-color: var(--reg-accent); }
.reg-btn-primary:hover { background-color: var(--reg-accent-hover); }

.reg-btn-secondary { background-color: var(--reg-border); }
.reg-btn-secondary:hover { background-color: #3f3f46; }

.reg-btn-danger {
    background-color: transparent;
    border: 1px solid var(--reg-danger);
    color: var(--reg-danger);
}
.reg-btn-danger:hover { background-color: rgba(239, 68, 68, 0.1); }

.reg-btn-success { background-color: var(--reg-success); }
.reg-btn-success:hover { background-color: #059669; }

/* Toast */
.reg-toast {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--reg-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: 50;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.reg-toast.reg-show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 960px) {
    .reg-app {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
    .reg-sidebar {
        width: 100%;
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--reg-border);
    }
    .reg-workspace {
        min-height: 80vh;
        padding: 16px;
    }
    .reg-emoji-item {
        font-size: 2.2rem;
    }
    .reg-actions {
        flex-wrap: wrap;
    }
    .reg-btn-download {
        margin-left: 0 !important;
        width: 100%;
    }
}