@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --bg-app: #0f172a;
    --bg-chat: #1e293b;
    --bg-bubble-bot: #334155;
    --bg-bubble-user: #6366f1;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass: rgba(15, 23, 42, 0.8);
}

* { box-sizing: border-box; }

body {
    font-family: 'Outfit', sans-serif;
    margin: 0;
    background: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

.chat-app {
    width: 100%;
    max-width: 1100px;
    height: 90vh;
    background: var(--bg-app);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

/* Header */
.header {
    padding: 20px 30px;
    background: var(--glass);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, #818cf8, #f472b6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
}

/* Chat Log */
#chat-log {
    flex-grow: 1;
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    scroll-behavior: smooth;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

#chat-log::-webkit-scrollbar { width: 6px; }
#chat-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* Messages */
.msg { display: flex; gap: 16px; max-width: 85%; animation: fadeIn 0.4s ease-out; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.bot { align-self: flex-start; }

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--bg-bubble-bot);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.bubble {
    padding: 16px 20px;
    border-radius: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
    position: relative;
}

.user .bubble {
    background: var(--bg-bubble-user);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.bot .bubble {
    background: var(--bg-bubble-bot);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border);
}

/* Code Container */
.code-container {
    margin: 15px 0;
    background: #020617;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.code-header {
    background: rgba(255,255,255,0.03);
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.lang-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.code-actions { display: flex; gap: 8px; }

.code-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 6px;
    transition: 0.2s;
}

.code-btn:hover { background: rgba(255,255,255,0.1); color: white; }

.code-container pre {
    margin: 0;
    padding: 20px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-container code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #e2e8f0;
}

/* Ventana Modal de Vista Previa */
#preview-modal {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    z-index: 200;
    justify-content: center;
    align-items: center;
    padding: 25px;
}

.preview-content {
    width: 100%;
    max-width: 1200px;
    height: 100%;
    background: #fff;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.6);
    animation: modalScaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.preview-header {
    background: var(--bg-app);
    color: white;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.close-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    width: 34px; 
    height: 34px;
    border-radius: 8px;
    cursor: pointer;
    display: flex; 
    justify-content: center; 
    align-items: center;
    transition: all 0.3s;
}

.close-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
    transform: rotate(90deg);
}

#code-canvas {
    flex-grow: 1;
    border: none;
    width: 100%;
    background: white;
}

/* FAQ Bar */
.faq-bar {
    padding: 10px 30px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    white-space: nowrap;
    background: rgba(0,0,0,0.1);
    flex-shrink: 0;
}

.faq-bar::-webkit-scrollbar { display: none; }

.faq-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: 0.3s;
}

.faq-btn:hover {
    background: var(--bg-bubble-bot);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Input Area */
.input-area {
    padding: 20px 30px;
    display: flex;
    gap: 15px;
    background: var(--glass);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    align-items: flex-end;
}

.input-row {
    flex-grow: 1;
    position: relative;
    display: flex;
    align-items: center;
}

#user-input {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    padding: 14px 24px;
    border-radius: 16px;
    color: white;
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    transition: 0.3s;
    resize: none;
    min-height: 80px;
    line-height: 1.5;
}

#user-input:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Magic Button */
.btn-magic {
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 16px;
}

.btn-magic:hover {
    transform: scale(1.05) rotate(15deg);
    box-shadow: 0 10px 15px -3px rgba(236, 72, 153, 0.4);
}

/* Send Button */
.btn-send {
    background: var(--primary);
    color: white;
    border: none;
    height: 48px;
    padding: 0 24px;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.btn-send:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.4);
}

/* Footer Tools */
.footer-tools {
    padding: 15px 30px;
    background: rgba(0,0,0,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 20;
}

.tool-group { display: flex; gap: 10px; }

.tool-btn {
    background: #334155;
    color: #e2e8f0;
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s;
}

.tool-btn:hover { background: #475569; color: white; }
.tool-btn.primary { background: var(--primary); color: white; border: none; }
.tool-btn.primary:hover { background: var(--primary-hover); }

/* Loader */
#execution-loader {
    display: none;
    position: absolute;
    inset: 0;
    background: var(--bg-app);
    z-index: 300;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(99, 102, 241, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.loader-text { text-align: center; }
.loader-text h3 { margin: 0; font-size: 1.25rem; color: white; }
.loader-text p { margin: 8px 0 0; color: var(--text-muted); font-size: 0.9rem; }

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

@media (max-width: 768px) {
    .chat-app { height: 100vh; border-radius: 0; }
    .msg { max-width: 95%; }
    .footer-tools { flex-direction: column; gap: 15px; }
    .tool-btn { padding: 6px 10px; font-size: 0.75rem; }
    #preview-modal { padding: 10px; }
}