/* ==========================================================================
   NAILA - Chatbot UI Styles
   ========================================================================== */

.naila-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 400px;
    max-height: calc(100vh - 100px);
    height: 600px;
    background: #1e1b3d; /* Fondo 100% sólido */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    z-index: 2000;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    will-change: transform, opacity;
    overscroll-behavior: contain; /* Evitar scroll-chaining */
}

.naila-widget.hidden {
    transform: translate3d(0, 30px, 0) scale(0.95);
    opacity: 0;
    pointer-events: none;
}

.naila-header {
    background: var(--grad-cta);
    padding: 0.75rem 1rem;
    color: var(--naila-white);
    font-family: var(--font-heading);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-info img {
    height: 24px !important; /* Forzar tamaño nítido */
    width: auto !important;
    filter: brightness(0) invert(1);
}

.naila-header button {
    background: transparent;
    border: none;
    color: var(--naila-white);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.naila-body {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: #110f26; /* Fondo sólido oscuro */
    min-height: 300px;
    overscroll-behavior: contain;
}

.msg {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.msg.bot {
    background: var(--naila-surface);
    color: var(--naila-gray-1);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.msg.user {
    background: var(--naila-violet);
    color: var(--naila-white);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.naila-footer {
    padding: 1rem;
    background: var(--naila-surface);
    border-top: 1px solid var(--naila-border);
    display: flex;
    gap: 0.5rem;
}

.naila-footer input {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--naila-border);
    border-radius: 999px;
    background: var(--naila-void);
    color: var(--naila-white);
    outline: none;
    font-size: 16px; /* Evita el auto-zoom en iOS */
}

.naila-footer input:focus {
    border-color: var(--naila-violet);
}

.naila-footer button {
    background: var(--naila-violet);
    color: var(--naila-white);
    border: none;
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.naila-footer button:hover {
    background: var(--naila-iris);
}

.naila-privacy-notice {
    font-size: 0.65rem;
    text-align: center;
    padding: 0.5rem 1rem;
    color: var(--naila-gray-2);
    background: rgba(19, 23, 41, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-body);
}

@media (max-width: 480px) {
    .naila-widget {
        top: 0; /* Anclado arriba para mayor estabilidad con teclado */
        left: 0;
        bottom: 0;
        right: 0;
        width: 100%;
        height: 100%;
        max-height: 100vh;
        max-height: -webkit-fill-available;
        border-radius: 0;
        border: none;
    }

    .naila-widget.hidden {
        transform: translate3d(0, 100%, 0) scale(1);
    }

    .naila-footer {
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
    }
}