/* =============================================
   Sabiduría Ancestral - Estilos (v2 - SEO + Seguridad)
   Estética: Mística oscura, dorado ancestral
   ============================================= */

:root {
    --bg-deep: #0a0a0f;
    --bg-card: #111118;
    --bg-elevated: #1a1a25;
    --bg-input: #14141e;
    --gold: #c9a84c;
    --gold-light: #e8d48b;
    --gold-dark: #8a6d2b;
    --gold-glow: rgba(201, 168, 76, 0.15);
    --text-primary: #e8e4dc;
    --text-secondary: #9a9690;
    --text-muted: #5e5a54;
    --accent-purple: #6b4c8a;
    --accent-indigo: #3d3566;
    --border: rgba(201, 168, 76, 0.12);
    --border-hover: rgba(201, 168, 76, 0.3);
    --danger: #a84c4c;
    --success: #4ca868;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow-gold: 0 0 30px rgba(201, 168, 76, 0.08);
    --font-display: 'Cinzel', Georgia, 'Times New Roman', serif;
    --font-body: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 18px;
    line-height: 1.7;
    overflow-x: hidden;
}

/* Screen reader only */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* === FONDO MÍSTICO === */
.mystic-bg {
    position: fixed; inset: 0; z-index: 0;
    overflow: hidden; pointer-events: none;
}
.mystic-bg::before {
    content: ''; position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(107,76,138,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(201,168,76,0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(61,53,102,0.06) 0%, transparent 60%);
    animation: cosmicDrift 30s ease-in-out infinite alternate;
}
.mystic-bg .stars {
    position: absolute; inset: 0;
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.5px 1.5px at 50% 10%, rgba(201,168,76,0.5), transparent),
        radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1.5px 1.5px at 20% 80%, rgba(201,168,76,0.4), transparent),
        radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,0.25), transparent),
        radial-gradient(1px 1px at 45% 45%, rgba(201,168,76,0.3), transparent),
        radial-gradient(1px 1px at 15% 55%, rgba(255,255,255,0.2), transparent);
    animation: twinkle 8s ease-in-out infinite alternate;
}
@keyframes cosmicDrift { 0% { transform: rotate(0deg) scale(1); } 100% { transform: rotate(3deg) scale(1.05); } }
@keyframes twinkle { 0% { opacity: 0.6; } 100% { opacity: 1; } }

/* === LAYOUT === */
.container { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* === HEADER === */
.app-header { text-align: center; padding: 60px 0 40px; }
.app-logo { width: 80px; height: 80px; margin: 0 auto 24px; }
.app-logo svg { width: 100%; height: 100%; filter: drop-shadow(0 0 20px rgba(201,168,76,0.3)); }
.app-title {
    font-family: var(--font-display); font-size: clamp(28px, 5vw, 42px);
    font-weight: 700; color: var(--gold); letter-spacing: 3px;
    text-transform: uppercase; margin-bottom: 12px;
    text-shadow: 0 0 40px rgba(201,168,76,0.2);
}
.app-subtitle { font-family: var(--font-body); font-size: 20px; color: var(--text-secondary); font-style: italic; font-weight: 400; }

/* === VISTAS === */
.view { display: none; }
.view.active { display: block; }

/* === LANDING === */
.landing-intro { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.landing-intro p { font-size: 19px; color: var(--text-secondary); margin-bottom: 16px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-bottom: 50px; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 30px 24px; text-align: center;
    transition: var(--transition);
}
.feature-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.feature-icon { font-size: 36px; margin-bottom: 16px; display: block; }
.feature-card h3 { font-family: var(--font-display); font-size: 16px; color: var(--gold); margin-bottom: 10px; letter-spacing: 1px; }
.feature-card p { font-size: 16px; color: var(--text-secondary); }

/* === PRICING === */
.pricing-box {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
    border: 1px solid var(--gold-dark); border-radius: var(--radius-lg);
    padding: 40px; text-align: center; max-width: 440px; margin: 0 auto 50px;
    position: relative; overflow: hidden;
}
.pricing-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.pricing-price { font-family: var(--font-display); font-size: 48px; color: var(--gold); font-weight: 700; margin-bottom: 8px; }
.pricing-period { color: var(--text-secondary); font-size: 16px; margin-bottom: 24px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 30px; }
.pricing-features li { padding: 8px 0; color: var(--text-primary); font-size: 17px; display: flex; align-items: center; gap: 10px; }
.pricing-features li::before { content: '✦'; color: var(--gold); font-size: 12px; }

/* === BOTONES === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 32px; border: none; border-radius: var(--radius);
    font-family: var(--font-display); font-size: 14px; letter-spacing: 2px;
    text-transform: uppercase; cursor: pointer; transition: var(--transition);
    text-decoration: none; font-weight: 700;
}
.btn-primary { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: var(--bg-deep); box-shadow: 0 4px 20px rgba(201,168,76,0.25); }
.btn-primary:hover { background: linear-gradient(135deg, var(--gold), var(--gold-light)); box-shadow: 0 6px 30px rgba(201,168,76,0.35); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--gold); border: 1px solid var(--border-hover); }
.btn-secondary:hover { background: var(--gold-glow); border-color: var(--gold); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid rgba(168,76,76,0.3); font-size: 12px; padding: 8px 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn-block { width: 100%; }

/* === FORMULARIOS === */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-family: var(--font-display); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 8px; }
.form-group input {
    width: 100%; padding: 14px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); font-family: var(--font-body); font-size: 17px;
    transition: var(--transition); outline: none;
}
.form-group input:focus { border-color: var(--gold-dark); box-shadow: 0 0 0 3px var(--gold-glow); }
.form-group input::placeholder { color: var(--text-muted); }

.auth-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; max-width: 420px; margin: 0 auto 40px; }
.auth-box h2 { font-family: var(--font-display); font-size: 20px; color: var(--gold); text-align: center; margin-bottom: 30px; letter-spacing: 2px; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 16px; color: var(--text-secondary); }
.auth-switch a { color: var(--gold); cursor: pointer; text-decoration: none; border-bottom: 1px solid transparent; transition: var(--transition); }
.auth-switch a:hover { border-bottom-color: var(--gold); }

/* === CHAT === */
.chat-container { max-width: 800px; margin: 0 auto; }
.chat-status-bar { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; }
.chat-status-bar .user-info { color: var(--text-secondary); }
.chat-status-bar .user-name { color: var(--gold); font-weight: 700; }
.chat-status-bar .questions-left { color: var(--text-muted); font-size: 13px; }

.chat-messages { min-height: 400px; max-height: 60vh; overflow-y: auto; padding: 20px 0; scroll-behavior: smooth; }
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.message { margin-bottom: 24px; animation: fadeInUp 0.4s ease; }
.message-user { text-align: right; }
.message-bubble { display: inline-block; max-width: 80%; padding: 16px 20px; border-radius: var(--radius-lg); font-size: 17px; line-height: 1.7; text-align: left; }
.message-user .message-bubble { background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple)); color: var(--text-primary); border-bottom-right-radius: 4px; }
.message-oracle .message-bubble { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); border-bottom-left-radius: 4px; }
.message-oracle .message-label { font-family: var(--font-display); font-size: 11px; letter-spacing: 2px; color: var(--gold-dark); margin-bottom: 8px; text-transform: uppercase; }
.message-bubble p { margin-bottom: 12px; }
.message-bubble p:last-child { margin-bottom: 0; }
.message-bubble strong { color: var(--gold-light); }
.message-bubble em { color: var(--text-secondary); }

.typing-indicator { display: inline-flex; gap: 4px; padding: 16px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); border-bottom-left-radius: 4px; }
.typing-dot { width: 8px; height: 8px; background: var(--gold-dark); border-radius: 50%; animation: typingBounce 1.4s ease-in-out infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-8px); opacity: 1; } }

.chat-input-area { display: flex; gap: 12px; padding: 20px 0; border-top: 1px solid var(--border); }
.chat-input-area textarea {
    flex: 1; padding: 14px 16px; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); font-family: var(--font-body); font-size: 17px;
    resize: none; outline: none; min-height: 52px; max-height: 150px; transition: var(--transition);
}
.chat-input-area textarea:focus { border-color: var(--gold-dark); box-shadow: 0 0 0 3px var(--gold-glow); }
.chat-input-area textarea::placeholder { color: var(--text-muted); font-style: italic; }
.btn-send { padding: 14px 20px; background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: var(--bg-deep); border: none; border-radius: var(--radius); cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.btn-send:hover { background: linear-gradient(135deg, var(--gold), var(--gold-light)); }
.btn-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* === ALERTAS === */
.alert { padding: 14px 20px; border-radius: var(--radius); margin-bottom: 20px; font-size: 15px; animation: fadeInUp 0.3s ease; }
.alert-error { background: rgba(168,76,76,0.15); border: 1px solid rgba(168,76,76,0.3); color: #e8a0a0; }
.alert-success { background: rgba(76,168,104,0.15); border: 1px solid rgba(76,168,104,0.3); color: #a0e8b0; }
.alert-info { background: var(--gold-glow); border: 1px solid var(--border); color: var(--gold-light); }

/* === FOOTER === */
.app-footer { text-align: center; padding: 40px 0; color: var(--text-muted); font-size: 13px; border-top: 1px solid var(--border); margin-top: 60px; }
.app-footer a { color: var(--text-secondary); text-decoration: none; }
.disclaimer { max-width: 600px; margin: 0 auto 16px; font-size: 12px; line-height: 1.6; color: var(--text-muted); }

/* === SEO CONTENT (visible, estilizado) === */
.seo-content {
    max-width: 700px; margin: 60px auto 40px; padding: 40px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.seo-content h2 { font-family: var(--font-display); font-size: 22px; color: var(--gold); margin-bottom: 30px; text-align: center; letter-spacing: 2px; }
.seo-content h3 { font-family: var(--font-display); font-size: 15px; color: var(--gold-light); margin: 24px 0 10px; letter-spacing: 1px; }
.seo-content p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; margin-bottom: 8px; }

/* === ANIMACIONES === */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.fade-in { animation: fadeIn 0.5s ease; }

/* === HISTORIAL === */
.history-toggle { text-align: center; margin-bottom: 20px; }
.history-list { max-height: 50vh; overflow-y: auto; }
.history-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.history-item .history-date { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.history-item .history-q { color: var(--gold-light); font-weight: 700; margin-bottom: 8px; }
.history-item .history-a { color: var(--text-secondary); font-size: 15px; }

.subscribe-banner { background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated)); border: 1px solid var(--gold-dark); border-radius: var(--radius-lg); padding: 30px; text-align: center; margin-bottom: 30px; }
.subscribe-banner h3 { font-family: var(--font-display); color: var(--gold); margin-bottom: 12px; letter-spacing: 1px; }
.subscribe-banner p { color: var(--text-secondary); margin-bottom: 20px; }

.user-menu { display: flex; gap: 8px; align-items: center; }

/* === RESPONSIVE === */
@media (max-width: 640px) {
    .app-header { padding: 40px 0 24px; }
    .auth-box { padding: 24px; margin-left: 10px; margin-right: 10px; }
    .pricing-box { padding: 28px 20px; margin-left: 10px; margin-right: 10px; }
    .features-grid { grid-template-columns: 1fr; }
    .chat-status-bar { flex-direction: column; gap: 8px; text-align: center; }
    .message-bubble { max-width: 90%; }
    .chat-input-area { flex-direction: column; }
    .btn-send { width: 100%; padding: 14px; }
    .seo-content { padding: 24px 16px; margin-left: 10px; margin-right: 10px; }
}