/* =============================================================================
   AI Agent chat widget for Dolibarr ERP
   All selectors are scoped under #aiagent-root to avoid theme conflicts.
   ============================================================================= */

:root {
    --aai-primary:      #1a56db;
    --aai-primary-dark: #1645b5;
    --aai-bg:           #ffffff;
    --aai-bg-user:      #e8f0fe;
    --aai-bg-bot:       #f8f9fa;
    --aai-bg-header:    #1a56db;
    --aai-text:         #212529;
    --aai-text-light:   #6c757d;
    --aai-border:       #dee2e6;
    --aai-shadow:       0 4px 24px rgba(0,0,0,0.18);
    --aai-radius:       12px;
    --aai-btn-size:     52px;
    --aai-panel-w:      380px;
    --aai-panel-h:      560px;
    --aai-z:            99999;
}

/* ---- Root container ---- */
#aiagent-root {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--aai-z);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--aai-text);
}

/* ---- Toggle button ---- */
#aiagent-toggle {
    width:  var(--aai-btn-size);
    height: var(--aai-btn-size);
    border-radius: 50%;
    background: var(--aai-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--aai-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: background 0.2s, transform 0.15s;
    position: relative;
    z-index: calc(var(--aai-z) + 1);
}

#aiagent-toggle:hover {
    background: var(--aai-primary-dark);
    transform: scale(1.08);
}

#aiagent-toggle.aiagent-active {
    background: var(--aai-primary-dark);
}

/* ---- Panel ---- */
#aiagent-panel {
    position: absolute;
    bottom: calc(var(--aai-btn-size) + 12px);
    right: 0;
    width:  var(--aai-panel-w);
    height: var(--aai-panel-h);
    background: var(--aai-bg);
    border-radius: var(--aai-radius);
    box-shadow: var(--aai-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--aai-border);

    /* Hidden state */
    opacity: 0;
    transform: translateY(16px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

#aiagent-panel.aiagent-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* ---- Header ---- */
#aiagent-header {
    background: var(--aai-bg-header);
    color: #fff;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

#aiagent-header-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}

#aiagent-header-info i {
    font-size: 16px;
}

#aiagent-header-actions {
    display: flex;
    gap: 4px;
}

#aiagent-header-actions button {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: background 0.15s;
}

#aiagent-header-actions button:hover {
    background: rgba(255,255,255,0.28);
}

/* ---- Messages area ---- */
#aiagent-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px 12px 4px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}

#aiagent-messages::-webkit-scrollbar        { width: 5px; }
#aiagent-messages::-webkit-scrollbar-track  { background: transparent; }
#aiagent-messages::-webkit-scrollbar-thumb  { background: #c0c8d4; border-radius: 3px; }

/* ---- Message bubbles ---- */
.aiagent-msg {
    display: flex;
    max-width: 100%;
}

.aiagent-msg-user {
    justify-content: flex-end;
}

.aiagent-msg-assistant,
.aiagent-msg-error {
    justify-content: flex-start;
}

.aiagent-bubble {
    max-width: 86%;
    padding: 9px 13px;
    border-radius: 16px;
    word-break: break-word;
    font-size: 13.5px;
}

.aiagent-msg-user .aiagent-bubble {
    background: var(--aai-bg-user);
    border-bottom-right-radius: 4px;
    color: var(--aai-text);
}

.aiagent-msg-assistant .aiagent-bubble {
    background: var(--aai-bg-bot);
    border: 1px solid var(--aai-border);
    border-bottom-left-radius: 4px;
    color: var(--aai-text);
}

.aiagent-msg-error .aiagent-bubble {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #c53030;
    border-bottom-left-radius: 4px;
}

/* ---- Bubble content formatting ---- */
.aiagent-bubble p     { margin: 0 0 6px; }
.aiagent-bubble p:last-child { margin-bottom: 0; }
.aiagent-bubble ul    { margin: 4px 0; padding-left: 18px; }
.aiagent-bubble li    { margin-bottom: 2px; }
.aiagent-bubble h3,
.aiagent-bubble h4,
.aiagent-bubble h5    { margin: 6px 0 3px; font-size: 13.5px; }
.aiagent-bubble code  { background: #eef2ff; padding: 1px 4px; border-radius: 3px; font-size: 12px; }
.aiagent-bubble pre   { background: #1e1e2e; color: #cdd6f4; padding: 10px; border-radius: 8px; overflow-x: auto; font-size: 12px; margin: 6px 0; }
.aiagent-bubble pre code { background: none; padding: 0; color: inherit; }
.aiagent-bubble a     { color: var(--aai-primary); text-decoration: underline; }
.aiagent-bubble a:hover { color: var(--aai-primary-dark); }
.aiagent-bubble strong { font-weight: 600; }

/* ---- Typing indicator ---- */
#aiagent-typing {
    display: none;
    padding: 8px 14px;
    gap: 5px;
    align-items: center;
    flex-shrink: 0;
}

.aiagent-dot {
    width: 7px;
    height: 7px;
    background: var(--aai-text-light);
    border-radius: 50%;
    animation: aiagent-bounce 1.2s infinite ease-in-out;
}

.aiagent-dot:nth-child(1) { animation-delay: 0s; }
.aiagent-dot:nth-child(2) { animation-delay: 0.2s; }
.aiagent-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes aiagent-bounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40%            { transform: scale(1.2); opacity: 1; }
}

/* ---- Input area ---- */
#aiagent-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 10px 12px 12px;
    border-top: 1px solid var(--aai-border);
    background: var(--aai-bg);
    flex-shrink: 0;
}

#aiagent-input {
    flex: 1;
    border: 1px solid var(--aai-border);
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 13.5px;
    font-family: inherit;
    color: var(--aai-text);
    resize: none;
    outline: none;
    line-height: 1.45;
    min-height: 40px;
    max-height: 120px;
    background: #f8f9fa;
    transition: border-color 0.15s;
}

#aiagent-input:focus {
    border-color: var(--aai-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
}

#aiagent-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#aiagent-send-btn {
    width: 38px;
    height: 38px;
    background: var(--aai-primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
    transition: background 0.15s, transform 0.1s;
}

#aiagent-send-btn:hover:not(:disabled) {
    background: var(--aai-primary-dark);
    transform: scale(1.05);
}

#aiagent-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---- Responsive (narrow screens) ---- */
@media (max-width: 480px) {
    :root {
        --aai-panel-w: calc(100vw - 32px);
        --aai-panel-h: 70vh;
    }

    #aiagent-root {
        bottom: 16px;
        right: 16px;
    }

    #aiagent-panel {
        right: calc(-1 * (var(--aai-btn-size) - 16px) / 2);
    }
}