/* ── Trinity Bot – Widget Styles ─────────────────────────────────────────────
   Corporate palette:
     Primary   #1a3c6e  (deep navy)
     Accent    #e8413b  (Intetron red)
     Light     #f4f6fb
     Text      #2d2d2d
──────────────────────────────────────────────────────────────────────────── */

/* ── CSS Custom Properties ────────────────────────────────────────────────── */
:root {
    --tb-primary:      #1a3c6e;
    --tb-primary-dark: #122b50;
    --tb-accent:       #e8413b;
    --tb-light:        #f4f6fb;
    --tb-text:         #2d2d2d;
    --tb-text-light:   #fff;
    --tb-border:       #dde3ee;
    --tb-shadow:       0 8px 32px rgba(26, 60, 110, 0.18);
    --tb-radius:       16px;
    --tb-radius-sm:    8px;
    --tb-font:         'Segoe UI', Arial, sans-serif;
}

/* ── Floating launcher button ────────────────────────────────────────────── */
#trinity-chat-launcher {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#trinity-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: var(--tb-accent);
    color: var(--tb-text-light);
    font-size: 26px;
    cursor: pointer;
    box-shadow: var(--tb-shadow);
    transition: background 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#trinity-toggle:hover {
    background: var(--tb-primary);
    transform: scale(1.08);
}

/* ── Chat widget container ───────────────────────────────────────────────── */
#trinity-chat-widget {
    position: fixed;
    bottom: 96px;
    right: 24px;
    z-index: 9998;
    width: 360px;
    max-width: calc(100vw - 32px);
    border-radius: var(--tb-radius);
    box-shadow: var(--tb-shadow);
    background: #fff;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: var(--tb-font);
    color: var(--tb-text);

    /* Hidden by default */
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    max-height: calc(100vh - 120px);
}

#trinity-chat-widget.trinity-open {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

/* ── Header ──────────────────────────────────────────────────────────────── */
#trinity-header {
    background: var(--tb-primary);
    color: var(--tb-text-light);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

#trinity-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--tb-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

#trinity-header-info {
    flex: 1;
    min-width: 0;
}

#trinity-bot-name {
    font-weight: 700;
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#trinity-bot-status {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 1px;
}

#trinity-close-btn {
    background: none;
    border: none;
    color: var(--tb-text-light);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.8;
    line-height: 1;
    transition: opacity 0.2s;
}
#trinity-close-btn:hover { opacity: 1; }

/* ── Messages area ───────────────────────────────────────────────────────── */
#trinity-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: var(--tb-light);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 260px;
    max-height: 400px;
    scroll-behavior: smooth;
}

.trinity-message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: var(--tb-radius-sm);
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.trinity-bot-message {
    background: #fff;
    border: 1px solid var(--tb-border);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.trinity-user-message {
    background: var(--tb-primary);
    color: var(--tb-text-light);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

/* Links inside bot messages */
.trinity-bot-message a {
    color: var(--tb-accent);
    text-decoration: underline;
}

/* ── Typing indicator ────────────────────────────────────────────────────── */
.trinity-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
}

.trinity-typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tb-primary);
    opacity: 0.4;
    animation: trinity-bounce 1.2s infinite;
}
.trinity-typing span:nth-child(2) { animation-delay: 0.2s; }
.trinity-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes trinity-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
    40%           { transform: translateY(-6px); opacity: 1;   }
}

/* ── Action buttons group ────────────────────────────────────────────────── */
.trinity-action-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-self: flex-start;
    max-width: 90%;
}

.trinity-action-btn {
    background: #fff;
    border: 2px solid var(--tb-primary);
    color: var(--tb-primary);
    border-radius: 20px;
    padding: 7px 16px;
    font-size: 13px;
    font-family: var(--tb-font);
    cursor: pointer;
    transition: background 0.18s, color 0.18s, border-color 0.18s, opacity 0.18s;
    font-weight: 600;
}

.trinity-action-btn:hover:not(:disabled) {
    background: var(--tb-primary);
    color: var(--tb-text-light);
}

.trinity-action-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.trinity-action-btn.trinity-btn-selected {
    background: var(--tb-primary);
    color: var(--tb-text-light);
    opacity: 1;
}

/* ── Input area ──────────────────────────────────────────────────────────── */
#trinity-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-top: 1px solid var(--tb-border);
    background: #fff;
    flex-shrink: 0;
}

#trinity-input {
    flex: 1;
    border: 1px solid var(--tb-border);
    border-radius: 20px;
    padding: 9px 16px;
    font-size: 14px;
    font-family: var(--tb-font);
    outline: none;
    resize: none;
    transition: border-color 0.2s;
    background: var(--tb-light);
}

#trinity-input:focus {
    border-color: var(--tb-primary);
}

#trinity-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--tb-accent);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.15s;
    flex-shrink: 0;
}
#trinity-send:hover { background: var(--tb-primary); transform: scale(1.08); }

/* ── Footer branding ─────────────────────────────────────────────────────── */
#trinity-footer {
    text-align: center;
    font-size: 11px;
    color: #aaa;
    padding: 6px;
    background: #fff;
    border-top: 1px solid var(--tb-border);
    flex-shrink: 0;
}
#trinity-footer a {
    color: var(--tb-primary);
    text-decoration: none;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    #trinity-chat-widget {
        width: calc(100vw - 16px);
        right: 8px;
        bottom: 80px;
    }

    #trinity-toggle {
        width: 52px;
        height: 52px;
        font-size: 22px;
    }

    #trinity-chat-launcher {
        bottom: 16px;
        right: 16px;
    }
}