/* ═══════════════════════════════════════════════════════════════
   NeuroChat Pro — APEX EDITION
   Diseño: Spatial Glass · Apple-Inspired · Sin igual en el mercado
   ⚠️  SAGRADO: No modificar reglas de scroll (overflow, touch-action)
   ═══════════════════════════════════════════════════════════════ */

/* ── IMPORT: Tipografía exclusiva ───────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

/* ── VARIABLES CORPORATIVAS — sobreescritas por PHP en el head ──── */
:root {
    --nc-primary:           #6366f1;
    --nc-primary-dark:      #4f46e5;
    --nc-primary-glow:      rgba(99, 102, 241, 0.35);
    --nc-primary-light:     rgba(99, 102, 241, 0.08);
    --nc-white:             #ffffff;
    --nc-bg:                #f7f8fc;
    --nc-text:              #1a1d2e;
    --nc-text-muted:        #6b7280;
    --nc-border:            rgba(0, 0, 0, 0.07);
    --nc-radius-bubble:     18px;
    --nc-font:              'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --nc-font-mono:         'DM Mono', 'SF Mono', 'Fira Code', monospace;
    --nc-shadow-window:     0 32px 80px rgba(0,0,0,0.22), 0 12px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
    --nc-shadow-bubble:     0 2px 12px rgba(0,0,0,0.06);
    --nc-transition:        all 0.26s cubic-bezier(0.4, 0, 0.2, 1);

    /* Apex Design tokens */
    --nc-glass-bg:          rgba(255,255,255,0.72);
    --nc-glass-border:      rgba(255,255,255,0.55);
    --nc-glass-blur:        20px;
    --nc-surface:           rgba(248,249,252,0.98);
    --nc-surface-elevated:  rgba(255,255,255,0.99);
    --nc-ink:               #0f1117;
    --nc-ink-secondary:     #5a6172;
    --nc-ink-tertiary:      #9aa1b4;
    --nc-separator:         rgba(0,0,0,0.055);
    --nc-header-h:          64px;
    --nc-radius-window:     24px;
    --nc-radius-input:      16px;
    --nc-bubble-user-bg1:   #6366f1;
    --nc-bubble-user-bg2:   #4f46e5;
    --nc-bubble-user-text:  #ffffff;
}

/* ── RESET AISLADO — protege del tema WP ───────────────────────── */
#nc-window,
#nc-window *,
#neurochat-widget,
#neurochat-widget * {
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: var(--nc-font) !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* ═══════════════════════════════════════════════════════════════
   BOTÓN TOGGLE — orbital pulse
   ═══════════════════════════════════════════════════════════════ */
#nc-toggle {
    cursor: pointer !important;
    z-index: 1000001 !important;
    background: var(--nc-primary) !important;
    transition: var(--nc-transition) !important;
    position: relative !important;
    overflow: visible !important;
}

#nc-toggle::before {
    content: '' !important;
    position: absolute !important;
    inset: -3px !important;
    border-radius: 50% !important;
    background: transparent !important;
    border: 2px solid var(--nc-primary) !important;
    opacity: 0.4 !important;
    animation: ncOrbit 2.8s ease-in-out infinite !important;
}

#nc-toggle::after {
    content: '' !important;
    position: absolute !important;
    inset: -7px !important;
    border-radius: 50% !important;
    background: transparent !important;
    border: 1.5px solid var(--nc-primary) !important;
    opacity: 0.18 !important;
    animation: ncOrbit 2.8s ease-in-out infinite 0.4s !important;
}

#nc-toggle:hover {
    transform: scale(1.08) !important;
    box-shadow: 0 8px 28px var(--nc-primary-glow), 0 0 0 8px rgba(99,102,241,0.08) !important;
}

@keyframes ncOrbit {
    0%, 100% { transform: scale(1);    opacity: 0.4; }
    50%       { transform: scale(1.18); opacity: 0;   }
}

/* ═══════════════════════════════════════════════════════════════
   VENTANA PRINCIPAL — Glass Spatial
   ═══════════════════════════════════════════════════════════════ */
#nc-window {
    display: none !important;
    height: 520px !important;
    flex-direction: column !important;
    z-index: 1000000 !important;
    border-radius: var(--nc-radius-window) !important;
    box-shadow: var(--nc-shadow-window) !important;
    border: 1px solid var(--nc-glass-border) !important;
    overflow: hidden !important;
    background: var(--nc-surface) !important;
    transform-origin: bottom right !important;
    backdrop-filter: blur(var(--nc-glass-blur)) !important;
    -webkit-backdrop-filter: blur(var(--nc-glass-blur)) !important;
}

#nc-window.active {
    display: flex !important;
    animation: ncWindowIn 0.32s cubic-bezier(0.34, 1.48, 0.64, 1) forwards !important;
}

@keyframes ncWindowIn {
    from { opacity: 0; transform: scale(0.84) translateY(16px); filter: blur(4px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    filter: blur(0px); }
}

/* ═══════════════════════════════════════════════════════════════
   HEADER — Liquid gradient refinado
   ═══════════════════════════════════════════════════════════════ */
#nc-header {
    flex-shrink: 0 !important;
    height: var(--nc-header-h) !important;
    background: linear-gradient(135deg, var(--nc-primary-dark) 0%, var(--nc-primary) 100%) !important;
    padding: 0 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    position: relative !important;
    overflow: hidden !important;
}

/* Shimmer sutil */
#nc-header::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important; left: -100% !important;
    width: 60% !important; height: 100% !important;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.07), transparent) !important;
    animation: ncShimmer 6s ease-in-out infinite !important;
    pointer-events: none !important;
}

@keyframes ncShimmer {
    0%        { left: -100%; }
    50%, 100% { left: 150%;  }
}

/* Avatar bot en header */
#nc-header .nc-bot-avatar {
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 2px solid rgba(255,255,255,0.4) !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2) !important;
}

/* Botón cerrar */
#nc-close {
    cursor: pointer !important;
    z-index: 10001 !important;
    transition: var(--nc-transition) !important;
    opacity: 0.75 !important;
    width: 28px !important;
    height: 28px !important;
    border-radius: 50% !important;
    background: rgba(255,255,255,0.12) !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    font-size: 14px !important;
    color: #ffffff !important;
}

#nc-close:hover {
    opacity: 1 !important;
    background: rgba(255,255,255,0.22) !important;
    transform: scale(1.1) !important;
}

/* ═══════════════════════════════════════════════════════════════
   ÁREA DE MENSAJES — SCROLL SAGRADO: NO TOCAR overflow/touch
   ═══════════════════════════════════════════════════════════════ */
#nc-messages {
    height: 388px !important;
    max-height: 388px !important;
    background: var(--nc-surface) !important;
    padding: 20px 16px !important;
    overflow-y: hidden !important;          /* ← SAGRADO */
    touch-action: none !important;          /* ← SAGRADO */
    overscroll-behavior: contain !important;
    color: var(--nc-ink) !important;
    border-bottom: 1px solid var(--nc-separator) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    background-image:
        radial-gradient(ellipse at 5% 15%, rgba(99,102,241,0.05) 0%, transparent 55%),
        radial-gradient(ellipse at 95% 85%, rgba(139,92,246,0.04) 0%, transparent 55%),
        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='%236366f1' fill-opacity='0.015'%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") !important;
}

#nc-messages div {
    color: var(--nc-ink) !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* ═══════════════════════════════════════════════════════════════
   BURBUJAS
   ═══════════════════════════════════════════════════════════════ */

.nc-msg-bot {
    background: var(--nc-surface-elevated) !important;
    border-radius: 4px 20px 20px 20px !important;
    color: var(--nc-ink) !important;
    box-shadow: 0 2px 14px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.03) !important;
    border: 1px solid rgba(0,0,0,0.048) !important;
    line-height: 1.65 !important;
    padding: 14px 17px !important;
    font-size: 13.5px !important;
    font-weight: 400 !important;
    letter-spacing: -0.1px !important;
    animation: ncBubbleIn 0.22s cubic-bezier(0.34, 1.4, 0.64, 1) !important;
}

/* Negrita dentro de burbujas bot */
.nc-msg-bot strong {
    font-weight: 600 !important;
    color: var(--nc-ink) !important;
}

/* Párrafos dentro de burbuja bot */
.nc-msg-bot p {
    margin: 0 !important;
    padding: 0 !important;
}

/* Enlace dentro de respuesta bot — heredar estilo base */
/* link-button base margin handled below */

.nc-msg-user {
    background: linear-gradient(135deg, var(--nc-bubble-user-bg1) 0%, var(--nc-bubble-user-bg2) 100%) !important;
    border-radius: 20px 4px 20px 20px !important;
    color: var(--nc-bubble-user-text) !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08) !important;
    line-height: 1.6 !important;
    padding: 13px 16px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    letter-spacing: -0.1px !important;
    animation: ncBubbleIn 0.22s cubic-bezier(0.34, 1.4, 0.64, 1) !important;
}
#nc-window .nc-msg-user,
#neurochat-widget .nc-msg-user {
    color: var(--nc-bubble-user-text) !important;
}

@keyframes ncBubbleIn {
    from { opacity: 0; transform: translateY(8px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0)   scale(1);    }
}

/* Typing dots */
.nc-typing-dots {
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
    padding: 14px 18px !important;
    background: var(--nc-surface-elevated) !important;
    border-radius: 4px 20px 20px 20px !important;
    border: 1px solid var(--nc-separator) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06) !important;
}

.nc-typing-dots span {
    width: 7px !important;
    height: 7px !important;
    border-radius: 50% !important;
    background: var(--nc-primary) !important;
    animation: ncDot 1.4s infinite ease-in-out !important;
    opacity: 0.5 !important;
}
.nc-typing-dots span:nth-child(2) { animation-delay: 0.18s !important; }
.nc-typing-dots span:nth-child(3) { animation-delay: 0.36s !important; }

@keyframes ncDot {
    0%, 80%, 100% { transform: scale(0.55) translateY(0);   opacity: 0.35; }
    40%            { transform: scale(1)    translateY(-4px); opacity: 1;    }
}

/* ═══════════════════════════════════════════════════════════════
   AVATARES
   ═══════════════════════════════════════════════════════════════ */
.nc-user-avatar {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    flex-shrink: 0 !important;
    letter-spacing: 0.5px !important;
}

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */
#nc-messages::-webkit-scrollbar        { width: 4px; }
#nc-messages::-webkit-scrollbar-track  { background: transparent; }
#nc-messages::-webkit-scrollbar-thumb  { background: rgba(99,102,241,0.2); border-radius: 4px; }
#nc-messages::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.4); }

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
#nc-footer {
    flex-shrink: 0 !important;
    background: var(--nc-surface-elevated) !important;
    padding: 10px 14px 14px !important;
    border-top: 1px solid var(--nc-separator) !important;
}

#nc-input {
    color: var(--nc-ink) !important;
    background: var(--nc-surface) !important;
    border: 1.5px solid rgba(0,0,0,0.07) !important;
    border-radius: 14px !important;
    padding: 12px 18px !important;
    font-size: 13.5px !important;
    font-weight: 400 !important;
    outline: none !important;
    transition: var(--nc-transition) !important;
    letter-spacing: -0.1px !important;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.04) !important;
}

#nc-input:focus {
    border-color: var(--nc-primary) !important;
    background: var(--nc-surface-elevated) !important;
    box-shadow: 0 0 0 3px var(--nc-primary-glow), inset 0 1px 3px rgba(0,0,0,0.03) !important;
}

#nc-input::placeholder {
    color: var(--nc-ink-tertiary) !important;
    font-weight: 400 !important;
}

#nc-send {
    cursor: pointer !important;
    z-index: 10000 !important;
    background: linear-gradient(145deg, var(--nc-primary) 0%, var(--nc-primary-dark) 100%) !important;
    border: none !important;
    border-radius: 14px !important;
    width: 40px !important;
    height: 40px !important;
    box-shadow: 0 4px 14px var(--nc-primary-glow) !important;
    transition: var(--nc-transition) !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#nc-send:hover {
    transform: scale(1.08) translateY(-1px) !important;
    box-shadow: 0 6px 20px var(--nc-primary-glow) !important;
}

#nc-send:active { transform: scale(0.96) !important; }

#nc-clear {
    cursor: pointer !important;
    color: var(--nc-ink-tertiary) !important;
    transition: var(--nc-transition) !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    border: none !important;
    background: none !important;
    letter-spacing: 0.1px !important;
}

#nc-clear:hover { color: #ef4444 !important; }

/* ═══════════════════════════════════════════════════════════════
   BOTONES EN RESPUESTAS
   ═══════════════════════════════════════════════════════════════ */
.nc-btn-saber-mas {
    all: unset !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    margin: 10px 0 !important;
    padding: 9px 18px !important;
    background: linear-gradient(135deg, var(--nc-primary-dark) 0%, var(--nc-primary) 100%) !important;
    color: #ffffff !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    font-size: 13px !important;
    letter-spacing: -0.1px !important;
    box-shadow: 0 3px 12px var(--nc-primary-glow) !important;
    transition: var(--nc-transition) !important;
    text-decoration: none !important;
    box-sizing: border-box !important;
}

.nc-btn-saber-mas:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px var(--nc-primary-glow) !important;
}

/* ─── Botón enlace — diseño premium pill ─── */
#neurochat-widget a.nc-link-button,
#nc-messages a.nc-link-button,
.nc-msg-bot a.nc-link-button {
    display: inline-flex !important;
    align-items: center !important;
    gap: 7px !important;
    margin-top: 10px !important;
    padding: 9px 16px 9px 12px !important;
    background: linear-gradient(135deg, var(--nc-primary-dark, #4f46e5) 0%, var(--nc-primary, #6366f1) 100%) !important;
    color: #ffffff !important;
    border: 1px solid rgba(99,102,241,0.18) !important;
    border-radius: 100px !important;
    font-family: var(--nc-font) !important;
    font-size: 12.5px !important;
    font-weight: 600 !important;
    letter-spacing: -0.1px !important;
    line-height: 1 !important;
    cursor: pointer !important;
    text-decoration: none !important;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.8) !important;
    transition: all 0.2s cubic-bezier(0.4,0,0.2,1) !important;
    box-sizing: border-box !important;
    white-space: nowrap !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    max-width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    vertical-align: middle !important;
}

/* Ícono pill izquierda */
.nc-link-button::before {
    content: '' !important;
    display: inline-flex !important;
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    border-radius: 50% !important;
    background: var(--nc-primary) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-size: 11px !important;
    flex-shrink: 0 !important;
}

/* Ocultar el SVG inline que genera el JS (usamos ::before) */
.nc-link-button svg {
    display: none !important;
}

.nc-link-button:hover {
    background: var(--nc-primary) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    transform: translateY(-1px) scale(1.01) !important;
    box-shadow: 0 4px 14px var(--nc-primary-glow) !important;
    text-decoration: none !important;
}

.nc-link-button:hover::before {
    background-color: rgba(255,255,255,0.25) !important;
}

.nc-link-button:active {
    transform: translateY(0) scale(0.99) !important;
}

/* ═══════════════════════════════════════════════════════════════
   VERSIÓN INLINE — SAGRADO: overflow-y auto
   ═══════════════════════════════════════════════════════════════ */
#nc-messages-inline {
    overflow-y: auto !important;
    height: 350px !important;
    color: var(--nc-ink) !important;
    box-sizing: border-box !important;
    background: var(--nc-surface) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    padding: 20px 16px !important;
    background-image:
        radial-gradient(ellipse at 10% 20%, rgba(99,102,241,0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 90% 80%, rgba(167,139,250,0.04) 0%, transparent 60%) !important;
}

#nc-messages-inline div {
    color: var(--nc-ink) !important;
    margin: 0 !important;
    padding: 0 !important;
}

#nc-messages-inline::-webkit-scrollbar        { width: 4px; }
#nc-messages-inline::-webkit-scrollbar-track  { background: transparent; }
#nc-messages-inline::-webkit-scrollbar-thumb  { background: rgba(99,102,241,0.2); border-radius: 4px; }
#nc-messages-inline::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.4); }

#nc-input-inline {
    color: var(--nc-ink) !important;
    background: var(--nc-surface) !important;
    border: 1.5px solid var(--nc-separator) !important;
    border-radius: var(--nc-radius-input) !important;
    font-size: 14px !important;
    transition: var(--nc-transition) !important;
    padding: 11px 18px !important;
    letter-spacing: -0.1px !important;
    outline: none !important;
}

#nc-input-inline:focus {
    border-color: var(--nc-primary) !important;
    background: var(--nc-surface-elevated) !important;
    box-shadow: 0 0 0 4px var(--nc-primary-glow) !important;
}

#nc-input-inline::placeholder { color: var(--nc-ink-tertiary) !important; }

#nc-clear-inline {
    cursor: pointer !important;
    color: var(--nc-ink-tertiary) !important;
    transition: var(--nc-transition) !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    border: none !important;
    background: none !important;
}

#nc-clear-inline:hover { color: #ef4444 !important; }

#nc-send-inline {
    cursor: pointer !important;
    z-index: 10000 !important;
    background: linear-gradient(145deg, var(--nc-primary) 0%, var(--nc-primary-dark) 100%) !important;
    border: none !important;
    border-radius: 14px !important;
    width: 40px !important;
    height: 40px !important;
    box-shadow: 0 4px 14px var(--nc-primary-glow) !important;
    transition: var(--nc-transition) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#nc-send-inline:hover {
    transform: scale(1.08) translateY(-1px) !important;
    box-shadow: 0 6px 20px var(--nc-primary-glow) !important;
}


/* ═══════════════════════════════════════════════════════════
   CLASES DE FILA DE BURBUJA — resisten al reset global
   ═══════════════════════════════════════════════════════════ */
#nc-messages .nc-brow {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important;
    margin-bottom: 6px !important;
    padding: 0 !important;
    width: 100% !important;
}
#nc-messages .nc-brow-user {
    justify-content: flex-end !important;
}

/* ── Avatares en burbujas ─────────────────────────────────── */
#nc-messages .nc-av-bot,
#nc-messages .nc-av-user {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    border: 2px solid rgba(255,255,255,0.9) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,.15) !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
    color: #fff !important;
}

/* ═══════════════════════════════════════════════════════════
   MÓVIL — scroll táctil SIN tocar el PC
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 520px) {
    /* Ventana: no salirse de pantalla */
    #nc-window {
        width: calc(100vw - 24px) !important;
        max-width: calc(100vw - 24px) !important;
    }

    /* Área mensajes: activar scroll táctil nativo */
    #nc-messages {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        touch-action: pan-y !important;
        overscroll-behavior: contain !important;
    }

    /* Input: 16px evita zoom automático en iOS */
    #nc-input {
        font-size: 16px !important;
    }
}