/* ============================================
   KAI CHAT · Apple-style Liquid Glass
   single tall glass panel, iMessage-like bubbles
   ============================================ */
.agent-view-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height) - 4rem);
    width: 100%;
    overflow: hidden;
    position: relative;
    background-color: color-mix(in srgb, var(--c-glass-n) 12%, transparent);
    -webkit-backdrop-filter: blur(8px) saturate(var(--saturation));
    backdrop-filter: blur(8px) saturate(var(--saturation));
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--lq-shadow);
    animation: glassReveal var(--dur-slow) var(--ease-out) both;
}

/* ---- header: Kai identity + controls ---------------------------------- */
.agent-header-main {
    flex-shrink: 0;
    padding: 0.85rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.agent-header-main > div:first-child {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

/* Kai badge — same green glass material as the .btn-kai in the title bar */
.agent-header-main > div:first-child::before {
    content: "\f5dc"; /* fa-brain */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.95rem;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: #214d37;
    background-color: color-mix(in srgb, var(--kai-green) 40%, transparent);
    -webkit-backdrop-filter: blur(8px) saturate(var(--saturation));
    backdrop-filter: blur(8px) saturate(var(--saturation));
    box-shadow: var(--lq-shadow-pill-raised);
}

:root[data-theme="dark"] .agent-header-main > div:first-child::before {
    color: #c6e6d1;
}

.agent-view-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--text-primary);
}

.agent-view-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.agent-view-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-shrink: 0;
}

/* coloured controls (top-right of the conversation) */
#clear-chat-btn { color: #c25b50; }       /* borrar — red */
#upload-voice-btn { color: #8f7bb0; }      /* clonar voz — violet */
#auto-tts-btn { color: var(--kai-green); } /* lectura automática — green */

.agent-view-controls .btn-icon:hover {
    filter: brightness(0.92);
}

/* ---- body: wraps the scrolling message list -------------------------- */
.agent-body-main {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: transparent;
}

/* ---- footer: suggestions + floating input capsule -------------------- */
.agent-footer-main {
    flex-shrink: 0;
    padding: 0.5rem 1.25rem 1.1rem;
    border-top: 1px solid var(--border-light);
    background: transparent;
}

.agent-form {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    background-color: color-mix(in srgb, var(--c-glass-n) 22%, transparent);
    -webkit-backdrop-filter: blur(12px) saturate(var(--saturation));
    backdrop-filter: blur(12px) saturate(var(--saturation));
    padding: 0.4rem 0.4rem 0.4rem 0.5rem;
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--lq-shadow-pill);
    transition: box-shadow 320ms var(--lq-ease), background-color 320ms var(--lq-ease);
}

.agent-form:focus-within {
    background-color: color-mix(in srgb, var(--c-glass-n) 30%, transparent);
    box-shadow:
        var(--lq-shadow-pill),
        0 0 0 3px color-mix(in srgb, var(--kai-green) 30%, transparent);
}

.agent-form input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    padding: 0.72rem 0.95rem;
    outline: none;
    box-shadow: none;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.agent-form input::placeholder { color: var(--text-muted); }
.agent-form input:focus { outline: none; box-shadow: none; }
.agent-form button { flex-shrink: 0; }

/* ---- mobile: edge-to-edge native feel -------------------------------- */
@media (max-width: 768px) {
    .agent-view-container {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100vw !important;
        height: calc(100vh - var(--header-height)) !important;
        margin: 0 !important;
        border-radius: 0;
        border: none;
        z-index: 95;
    }

    .agent-header-main,
    .agent-body-main,
    .agent-footer-main {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .agent-header-main {
        border-radius: 0;
        padding-top: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }

    .agent-view-subtitle { display: none; }
    .agent-view-title { font-size: 1.05rem; }
    .agent-body-main { padding-top: var(--spacing-md); }
    .agent-footer-main { padding-bottom: var(--spacing-md); }
}