/* ==========================================================================
   ASISTENTE IA — superficie inmersiva
   La IA no vive en un input con boton: es una capa completa con nucleo de
   energia, dictado por voz y tarjetas de accion. Paleta propia (cian/violeta
   sobre profundidad azul-negra), independiente del tema de la app.
   ========================================================================== */

:root {
    --ia-fondo: #05070f;
    --ia-fondo-2: #0a0e22;
    --ia-cian: #38e8ff;
    --ia-violeta: #7c6cff;
    --ia-magenta: #ff5ce1;
    --ia-texto: #e8ecff;
    --ia-texto-suave: #8b93b8;
    --ia-vidrio: rgba(148, 163, 255, 0.07);
    --ia-borde: rgba(124, 148, 255, 0.22);
}

/* ------------------------------- Capa base ------------------------------- */
/* Hoja inferior (offcanvas): la IA vive DENTRO de la app — el fondo se ve
   atenuado arriba, no parece que saliste a otra pantalla. */

.ia-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2990;
    background: rgba(3, 5, 12, 0.55);
    backdrop-filter: blur(3px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.ia-backdrop.abierto {
    opacity: 1;
    pointer-events: auto;
}

.ia-overlay {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    height: 88vh;
    height: 88dvh;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    background: radial-gradient(120% 90% at 50% -10%, var(--ia-fondo-2) 0%, var(--ia-fondo) 55%);
    color: var(--ia-texto);
    overflow: hidden;
    border-radius: 1.35rem 1.35rem 0 0;
    border-top: 1px solid var(--ia-borde);
    box-shadow: 0 -18px 60px rgba(0, 0, 0, 0.55);
    transform: translateY(104%);
    transition: transform 0.34s cubic-bezier(0.32, 0.72, 0.25, 1);
}

.ia-overlay.abierto {
    transform: translateY(0);
}

/* Asa de hoja inferior, como los offcanvas de la app */
.ia-asa {
    position: absolute;
    top: 0.55rem;
    left: 50%;
    transform: translateX(-50%);
    width: 46px;
    height: 5px;
    border-radius: 999px;
    background: rgba(139, 147, 184, 0.4);
    z-index: 5;
}

/* Nebulosas de energia que respiran detras de todo */
.ia-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.ia-bg::before,
.ia-bg::after {
    content: "";
    position: absolute;
    width: 70vmax;
    height: 70vmax;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.16;
    animation: iaNebulosa 16s ease-in-out infinite alternate;
}

.ia-bg::before {
    background: radial-gradient(circle, var(--ia-cian), transparent 60%);
    top: -35vmax;
    left: -20vmax;
}

.ia-bg::after {
    background: radial-gradient(circle, var(--ia-violeta), transparent 60%);
    bottom: -30vmax;
    right: -25vmax;
    animation-delay: -8s;
}

@keyframes iaNebulosa {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(6vmax, 4vmax, 0) scale(1.15); }
}

/* Retícula de horizonte, apenas presente */
.ia-bg .ia-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(124, 148, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 148, 255, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(90% 70% at 50% 45%, transparent 30%, #000 100%);
    mask-image: radial-gradient(90% 70% at 50% 45%, transparent 30%, #000 100%);
}

/* -------------------------------- Cabecera ------------------------------- */

.ia-top {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.1rem 0.7rem;
}

.ia-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ia-texto-suave);
}

.ia-brand b {
    background: linear-gradient(90deg, var(--ia-cian), var(--ia-violeta));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ia-brand-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ia-cian);
    box-shadow: 0 0 12px var(--ia-cian);
    animation: iaLatido 2.4s ease-in-out infinite;
}

@keyframes iaLatido {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.45; transform: scale(0.75); }
}

.ia-estado {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    color: var(--ia-texto-suave);
    border: 1px solid var(--ia-borde);
    border-radius: 999px;
    padding: 0.18rem 0.6rem;
}

.ia-cerrar {
    border: 1px solid var(--ia-borde);
    background: var(--ia-vidrio);
    color: var(--ia-texto);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1rem;
    backdrop-filter: blur(8px);
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.ia-cerrar:active { transform: scale(0.9); }

/* ------------------------------ Conversacion ----------------------------- */

.ia-conversacion {
    position: relative;
    flex: 1;
    overflow-y: auto;
    padding: 0.4rem 1rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    max-width: 780px;
    width: 100%;
    margin: 0 auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(124, 148, 255, 0.3) transparent;
}

/* ------------------------- Estado vacio: el nucleo ----------------------- */

.ia-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.1rem;
    padding: 3vh 1rem 1.5rem;
    animation: iaAparece 0.5s ease both;
}

.ia-orbe {
    position: relative;
    width: 148px;
    height: 148px;
    display: grid;
    place-items: center;
}

.ia-orbe-nucleo {
    width: 92px;
    height: 92px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.85) 0%, transparent 22%),
        radial-gradient(circle at 50% 50%, var(--ia-cian) 0%, var(--ia-violeta) 62%, #2b1e6b 100%);
    box-shadow:
        0 0 40px rgba(56, 232, 255, 0.45),
        0 0 90px rgba(124, 108, 255, 0.35),
        inset 0 0 22px rgba(255, 255, 255, 0.25);
    animation: iaRespira 4.5s ease-in-out infinite;
}

@keyframes iaRespira {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.07); }
}

.ia-orbe-anillo {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid transparent;
    background:
        conic-gradient(from 0deg, transparent 0%, var(--ia-cian) 18%, transparent 40%) border-box;
    -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    animation: iaGira 7s linear infinite;
}

.ia-orbe-anillo.a2 {
    inset: 14px;
    background: conic-gradient(from 180deg, transparent 0%, var(--ia-magenta) 14%, transparent 34%) border-box;
    animation-duration: 5s;
    animation-direction: reverse;
    opacity: 0.7;
}

@keyframes iaGira {
    to { transform: rotate(360deg); }
}

/* Estados del nucleo (clase en el overlay) */
.ia-overlay[data-estado="escuchando"] .ia-orbe-nucleo {
    animation: iaRespira 1.1s ease-in-out infinite;
    box-shadow:
        0 0 55px rgba(255, 92, 225, 0.55),
        0 0 110px rgba(124, 108, 255, 0.4),
        inset 0 0 22px rgba(255, 255, 255, 0.3);
}

.ia-overlay[data-estado="pensando"] .ia-orbe-anillo { animation-duration: 1.4s; }
.ia-overlay[data-estado="pensando"] .ia-orbe-anillo.a2 { animation-duration: 0.9s; }

.ia-hero-titulo {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(90deg, #fff, #aeb8ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ia-hero-sub {
    margin: 0;
    max-width: 340px;
    font-size: 0.88rem;
    color: var(--ia-texto-suave);
}

.ia-sugerencias {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.ia-chip {
    border: 1px solid var(--ia-borde);
    background: var(--ia-vidrio);
    color: var(--ia-texto);
    border-radius: 999px;
    padding: 0.5rem 0.95rem;
    font-size: 0.82rem;
    backdrop-filter: blur(8px);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.ia-chip:active { transform: scale(0.96); }
.ia-chip:hover { border-color: var(--ia-cian); }

/* -------------------------------- Mensajes ------------------------------- */

@keyframes iaAparece {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ia-msg {
    max-width: 86%;
    padding: 0.7rem 0.95rem;
    border-radius: 1.1rem;
    font-size: 0.92rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-wrap: break-word;
    animation: iaAparece 0.3s ease both;
}

.ia-msg.usuario {
    align-self: flex-end;
    background: linear-gradient(135deg, rgba(124, 108, 255, 0.85), rgba(56, 100, 255, 0.75));
    border-bottom-right-radius: 0.3rem;
    box-shadow: 0 4px 22px rgba(124, 108, 255, 0.25);
}

.ia-msg.ia {
    align-self: flex-start;
    background: var(--ia-vidrio);
    border: 1px solid var(--ia-borde);
    border-bottom-left-radius: 0.3rem;
    backdrop-filter: blur(10px);
}

.ia-msg.error {
    align-self: center;
    background: rgba(255, 92, 92, 0.12);
    border: 1px solid rgba(255, 92, 92, 0.35);
    color: #ffb4b4;
    font-size: 0.82rem;
}

.ia-msg .ia-cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    margin-left: 2px;
    vertical-align: text-bottom;
    background: var(--ia-cian);
    animation: iaLatido 0.8s steps(2) infinite;
}

/* Indicador "pensando" */
.ia-pensando {
    align-self: flex-start;
    display: flex;
    gap: 5px;
    padding: 0.85rem 1rem;
}

.ia-pensando span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ia-cian);
    animation: iaLatido 1s ease-in-out infinite;
}

.ia-pensando span:nth-child(2) { animation-delay: 0.18s; background: var(--ia-violeta); }
.ia-pensando span:nth-child(3) { animation-delay: 0.36s; background: var(--ia-magenta); }

/* --------------------------- Tarjeta de accion --------------------------- */

.ia-card {
    align-self: flex-start;
    width: min(100%, 420px);
    border-radius: 1.1rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(56, 232, 255, 0.6), rgba(124, 108, 255, 0.5), rgba(255, 92, 225, 0.4));
    box-shadow: 0 10px 40px rgba(56, 150, 255, 0.18);
    animation: iaAparece 0.35s ease both;
}

.ia-card-interior {
    border-radius: inherit;
    background: linear-gradient(180deg, #0d1230 0%, #090c1e 100%);
    padding: 1rem;
}

.ia-card-titulo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 800;
    font-size: 0.95rem;
    margin-bottom: 0.7rem;
}

.ia-card-titulo i {
    color: var(--ia-cian);
    font-size: 1.1rem;
    filter: drop-shadow(0 0 8px rgba(56, 232, 255, 0.7));
}

.ia-card-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.9rem;
}

.ia-slot {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid var(--ia-borde);
    background: rgba(124, 148, 255, 0.08);
    border-radius: 0.55rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.78rem;
}

.ia-slot i { color: var(--ia-violeta); font-size: 0.82rem; }
.ia-slot b { font-weight: 600; color: var(--ia-texto); }

.ia-card-btn {
    width: 100%;
    border: 0;
    border-radius: 0.8rem;
    padding: 0.8rem;
    font-weight: 800;
    font-size: 0.92rem;
    color: #061018;
    background: linear-gradient(90deg, var(--ia-cian), #6ee7ff);
    box-shadow: 0 6px 26px rgba(56, 232, 255, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ia-card-btn:active { transform: scale(0.97); }

/* ---------------------------------- Dock --------------------------------- */

.ia-dock {
    position: relative;
    padding: 0.7rem 0.9rem calc(env(safe-area-inset-bottom, 0px) + 0.9rem);
    max-width: 780px;
    width: 100%;
    margin: 0 auto;
}

.ia-onda-wrap {
    display: none;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
    padding: 0.55rem 0.9rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 92, 225, 0.4);
    background: rgba(255, 92, 225, 0.07);
    backdrop-filter: blur(8px);
}

.ia-overlay[data-estado="escuchando"] .ia-onda-wrap { display: flex; }

.ia-onda { flex: 1; height: 36px; }

.ia-rec-tiempo {
    font-variant-numeric: tabular-nums;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ia-magenta);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ia-rec-tiempo::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ia-magenta);
    box-shadow: 0 0 10px var(--ia-magenta);
    animation: iaLatido 1s ease-in-out infinite;
}

.ia-dock-fila {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    border: 1px solid var(--ia-borde);
    background: rgba(10, 14, 34, 0.75);
    border-radius: 1.2rem;
    padding: 0.45rem;
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 34px rgba(0, 0, 0, 0.45);
}

.ia-input {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--ia-texto);
    font-size: 0.95rem;
    padding: 0.45rem 0.35rem;
    outline: none;
    min-width: 0;
}

.ia-input::placeholder { color: var(--ia-texto-suave); }

.ia-mic,
.ia-enviar {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 0;
    display: grid;
    place-items: center;
    font-size: 1.05rem;
    color: #fff;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.ia-mic {
    background: linear-gradient(135deg, var(--ia-violeta), var(--ia-magenta));
    box-shadow: 0 4px 18px rgba(124, 108, 255, 0.45);
}

.ia-overlay[data-estado="escuchando"] .ia-mic {
    background: linear-gradient(135deg, var(--ia-magenta), #ff2d55);
    box-shadow: 0 0 0 0 rgba(255, 92, 225, 0.6);
    animation: iaPulsoMic 1.4s ease-out infinite;
}

@keyframes iaPulsoMic {
    from { box-shadow: 0 0 0 0 rgba(255, 92, 225, 0.55); }
    to   { box-shadow: 0 0 0 18px rgba(255, 92, 225, 0); }
}

.ia-enviar {
    background: linear-gradient(135deg, #1897c8, var(--ia-cian));
    box-shadow: 0 4px 18px rgba(56, 232, 255, 0.35);
}

.ia-mic:active,
.ia-enviar:active { transform: scale(0.9); }

.ia-hint {
    text-align: center;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    color: var(--ia-texto-suave);
    margin-top: 0.55rem;
    opacity: 0.85;
}