/* ----------- RESET ----------- */

html, body {
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Roboto', sans-serif;
    background: #ecf0f4;
    color: #0A2A5E;
    min-height: 100vh;
}

/* ----------- HEADER ----------- */
.header {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 8px;
    text-align: center;
}


#logo {
  filter: none;
  backdrop-filter: blur(30px);          
  -webkit-backdrop-filter: blur(15px);
}


/* ----------- CONTENEDOR ----------- */
.container {
    width: 100%;
    max-width: 900px;
    margin: 40px auto;
    text-align: center;
}

/* Avatar */
#avatar {
    width: 180px;
    margin-bottom: 10px;
    filter: drop-shadow(0px 4px 10px rgba(0,0,0,0.2));
}

/* ----------- CHAT ----------- */
#chat {
    width: 100%;
    height: 250px;
    background: rgba(10, 42, 94, 0.05);
    border: 2px solid #0A2A5E;
    border-radius: 18px;
    padding: 20px;
    overflow-y: auto;
    box-shadow: 0px 6px 15px rgba(0,0,0,0.1);
}

/* ----------- MENSAJES ----------- */
.msg {
    padding: 12px 18px;
    border-radius: 12px;
    margin-bottom: 12px;
    max-width: 80%;
    word-wrap: break-word;
    font-size: 15px;
}

/* Usuario */
.user-msg {
    background: #1B3C78;
    color: white;
    margin-left: auto;
    text-align: right;
}

/* Bot */
.bot-msg {
    background: #ffffff;
    border: 1px solid #0A2A5E;
    color: #0A2A5E;
    text-align: left;
    margin-right: auto;
}

/* Botón reproducir audio */
.audio-btn {
    margin-top: 10px;
    padding: 8px 14px;
    background: #0A2A5E;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.audio-btn:hover {
    background: #1B3C78;
}

/* ----------- INPUT ----------- */
.input-box {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-top: 20px;
}

#preg {
    flex: 1;
    padding: 12px;
    border: 2px solid #0A2A5E;
    border-radius: 10px;
    font-size: 15px;
}

#enviar {
    padding: 12px 20px;
    background: #0A2A5E;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

#enviar:hover {
    background: #1B3C78;
}

.top-bar {
    position: absolute;
    top: 20px;
    right: 20px;
}

#toggle-theme {
    background: transparent;
    border: 1px solid #ccc;
    border-radius: 50%;
    padding: 8px 10px;
    cursor: pointer;
    font-size: 16px;
}


.bot-msg em {
    color: #64748b;
    font-style: italic;
}


.welcome-message {
    background: #f1f5f9;
    padding: 15px;
    border-radius: 8px;
    font-size: 15px;
    color: #1e293b;
    margin-bottom: 15px;
    border-left: 4px solid #024A86;
}
.welcome-message p {
    margin: 4px 0;
}

.botones {
    margin-top: 8px;
}

.action-btn {
    display: inline-block;
    margin-right: 8px;
    margin-top: 6px;
    padding: 8px 14px;
    background-color: #1f3c88;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
}

.action-btn:hover {
    background-color: #16306b;
}

.stop-btn {
    background-color: #555;
}

.stop-btn:hover {
    background-color: #333;
}

/* ===============================
   RESPONSIVE (MÓVIL)
   =============================== */
@media (max-width: 600px) {

    .container {
        margin: 20px auto;
        padding: 0 12px;
    }

    #avatar {
        width: 130px;
    }

    #chat {
        height: 55vh; /* ocupa mejor la pantalla */
        padding: 14px;
    }

    .msg {
        max-width: 100%;
        font-size: 14px;
    }

    .input-box {
        flex-direction: column;
    }

    #enviar {
        width: 100%;
    }

    .audio-btn,
    .action-btn {
        width: 100%;
        text-align: center;
        font-size: 14px;
    }
}

/* ===============================
   AVATAR IDLE (RESPIRACIÓN SUAVE)
   =============================== */
#avatar {
    animation: breathing 4s ease-in-out infinite;
}

@keyframes breathing {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* ===============================
   BOTONES DEL BOT
   =============================== */
.bot-msg .botones {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.bot-msg button,
.bot-msg a {
    margin-top: 6px;
}

/* ===============================
   MEJOR LEGIBILIDAD CHAT
   =============================== */
.bot-msg p {
    line-height: 1.5;
}

.user-msg {
    line-height: 1.4;
}

/* ===============================
   MODO OSCURO
   =============================== */
body.dark {
    background: #1d2f54;
    color: #E5E7EB;
}

body.dark .container {
    background: transparent;
}

body.dark #chat {
    border: 1px solid #1e3a8a;
    box-shadow: 0px 8px 30px rgba(0,0,0,0.6);
}

body.dark .bot-msg {
    background: #020617;
    color: #e5e7eb;
    border-color: #334155;
}

body.dark .user-msg {
    background: #1c326f;
    color: #ffffff;
}

body.dark .audio-btn,
body.dark #enviar,
body.dark .action-btn {
    background: #1f49a4;
}