/* NepsyNavi Chatbot Widget */

.nsi-chat-trigger {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--navi-forest, #2D6A4F);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(45, 106, 79, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nsi-chat-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(45, 106, 79, 0.45);
}

.nsi-chat-trigger.open {
    transform: rotate(45deg);
}

.nsi-chat-window {
    position: fixed;
    bottom: 96px;
    right: 24px;
    z-index: 9998;
    width: 380px;
    max-height: 520px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.nsi-chat-window.visible {
    display: flex;
    animation: chatSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes chatSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.nsi-chat-header {
    background: var(--navi-forest, #2D6A4F);
    color: white;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nsi-chat-header .chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.nsi-chat-header .chat-title {
    font-weight: 700;
    font-size: 0.92rem;
}

.nsi-chat-header .chat-subtitle {
    font-size: 0.72rem;
    opacity: 0.7;
    margin-top: 2px;
}

.nsi-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 340px;
    min-height: 200px;
}

.nsi-chat-msg {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.88rem;
    line-height: 1.6;
}

.nsi-chat-msg.bot {
    align-self: flex-start;
    background: #f0f4f0;
    color: var(--navi-charcoal, #2D3436);
    border-bottom-left-radius: 4px;
}

.nsi-chat-msg.user {
    align-self: flex-end;
    background: var(--navi-forest, #2D6A4F);
    color: white;
    border-bottom-right-radius: 4px;
}

.nsi-chat-msg.typing {
    align-self: flex-start;
    background: #f0f4f0;
    color: var(--navi-muted, #6B7280);
    font-style: italic;
}

.nsi-chat-input-wrap {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding: 12px 16px;
    display: flex;
    gap: 8px;
}

.nsi-chat-input {
    flex: 1;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 100px;
    padding: 10px 18px;
    font-size: 0.88rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.nsi-chat-input:focus {
    border-color: var(--navi-forest, #2D6A4F);
}

.nsi-chat-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--navi-forest, #2D6A4F);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background 0.2s;
    flex-shrink: 0;
}

.nsi-chat-send:hover {
    background: var(--navi-forest-light, #40916C);
}

.nsi-chat-disclaimer {
    padding: 8px 16px;
    font-size: 0.65rem;
    color: var(--navi-muted, #6B7280);
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    background: #fafaf8;
}

/* Mobile */
@media (max-width: 480px) {
    .nsi-chat-window {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 88px;
        max-height: 70vh;
    }
    .nsi-chat-trigger {
        bottom: 16px;
        right: 16px;
    }
}