.aica-widget {
    --aica-color: #1a56db;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    box-sizing: border-box;
}
.aica-widget *,
.aica-widget *::before,
.aica-widget *::after {
    box-sizing: inherit;
}

/* ---------- Floating mode ---------- */
.aica-floating {
    position: fixed;
    bottom: 22px;
    z-index: 999999;
}
.aica-floating.aica-bottom-right { right: 22px; }
.aica-floating.aica-bottom-left  { left: 22px; }

.aica-toggle-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--aica-color);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(20, 20, 40, 0.22);
    transition: transform 0.15s ease;
}
.aica-toggle-btn:hover { transform: scale(1.06); }
.aica-toggle-btn:focus-visible {
    outline: 2px solid var(--aica-color);
    outline-offset: 3px;
}
.aica-icon-close { display: none; }
.aica-widget.aica-open .aica-icon-chat { display: none; }
.aica-widget.aica-open .aica-icon-close { display: block; }

.aica-floating .aica-panel {
    position: absolute;
    bottom: 72px;
    width: 350px;
    max-width: calc(100vw - 44px);
    height: 470px;
    max-height: 70vh;
}
.aica-floating.aica-bottom-right .aica-panel { right: 0; }
.aica-floating.aica-bottom-left .aica-panel  { left: 0; }

/* ---------- Inline (shortcode) mode ---------- */
.aica-inline .aica-panel {
    position: relative;
    width: 100%;
    max-width: 480px;
}

/* ---------- Shared panel styling ---------- */
.aica-panel {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 34px rgba(20, 20, 40, 0.18);
    border: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.aica-hidden { display: none !important; }

.aica-header {
    background: var(--aica-color);
    color: #fff;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 15px;
    flex-shrink: 0;
}
.aica-close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 0 2px;
}
.aica-close-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.aica-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fafafa;
}

.aica-message {
    max-width: 82%;
    padding: 9px 13px;
    border-radius: 15px;
    font-size: 14px;
    line-height: 1.45;
    word-wrap: break-word;
    white-space: pre-wrap;
}
.aica-bot-message {
    background: #eef0f2;
    color: #26282c;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}
.aica-user-message {
    background: var(--aica-color);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.aica-typing { display: flex; align-items: center; gap: 3px; padding: 12px 14px; }
.aica-typing span {
    width: 6px;
    height: 6px;
    background: #8a8d93;
    border-radius: 50%;
    display: inline-block;
    animation: aica-blink 1.4s infinite both;
}
.aica-typing span:nth-child(2) { animation-delay: 0.2s; }
.aica-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes aica-blink {
    0%, 80%, 100% { opacity: 0.3; }
    40% { opacity: 1; }
}

.aica-input-area {
    display: flex;
    gap: 8px;
    padding: 10px;
    border-top: 1px solid #e9e9ea;
    background: #fff;
    flex-shrink: 0;
}
.aica-input {
    flex: 1;
    min-width: 0;
    border: 1px solid #dcdde0;
    border-radius: 20px;
    padding: 9px 14px;
    font-size: 14px;
    outline: none;
}
.aica-input:focus {
    border-color: var(--aica-color);
}
.aica-send-btn {
    background: var(--aica-color);
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
}
.aica-send-btn:hover { opacity: 0.92; }
.aica-send-btn:focus-visible {
    outline: 2px solid var(--aica-color);
    outline-offset: 2px;
}

@media (max-width: 480px) {
    .aica-floating .aica-panel {
        width: calc(100vw - 28px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .aica-toggle-btn { transition: none; }
    .aica-typing span { animation: none; opacity: 0.7; }
}