:root {
    --chatbot-primary: #1f8a4c;
    --chatbot-primary-dark: #166b3b;
    --chatbot-bg: #ffffff;
    --chatbot-text: #1b1b1b;
    --chatbot-muted: #6b7280;
    --chatbot-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.chatbot {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1100;
    font-family: "Inter", "Roboto", sans-serif;
}

.chatbot-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--chatbot-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    padding: 0;
}

.chatbot-toggle:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.22);
}

.chatbot-robot {
    position: relative;
    width: 34px;
    height: 34px;
    display: inline-block;
    animation: robot-bob 2.2s ease-in-out infinite;
}

.robot-antenna {
    position: absolute;
    top: 1px;
    left: 50%;
    width: 2px;
    height: 6px;
    margin-left: -1px;
    background: #2e6d4f;
    border-radius: 4px;
}

.robot-antenna::before {
    content: "";
    position: absolute;
    top: -3px;
    left: 50%;
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    border-radius: 50%;
    background: #44be78;
    box-shadow: 0 0 0 2px rgba(68, 190, 120, 0.18);
}

.robot-head {
    position: absolute;
    top: 7px;
    left: 8px;
    width: 18px;
    height: 12px;
    border-radius: 8px;
    background: linear-gradient(180deg, #f5fbf7 0%, #d9f0e2 100%);
    border: 1px solid #8ec8ab;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.robot-eye {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #1f8a4c;
    animation: robot-blink 3s ease-in-out infinite;
    transform-origin: center;
}

.robot-body {
    position: absolute;
    top: 20px;
    left: 10px;
    width: 14px;
    height: 11px;
    border-radius: 4px;
    background: linear-gradient(180deg, #8fd9af 0%, #53b87c 100%);
    border: 1px solid #3d9664;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}

.robot-arm {
    position: absolute;
    top: 20px;
    width: 3px;
    height: 9px;
    border-radius: 3px;
    background: #53b87c;
    border: 1px solid #3d9664;
    transform-origin: top center;
}

.robot-arm-left {
    left: 6px;
}

.robot-arm-right {
    right: 6px;
    animation: robot-wave 1.8s ease-in-out infinite;
}

.chatbot-panel {
    position: absolute;
    right: 0;
    bottom: 72px;
    width: 320px;
    max-height: 520px;
    background: var(--chatbot-bg);
    border-radius: 18px;
    box-shadow: var(--chatbot-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.chatbot.is-open .chatbot-panel {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.chatbot.is-open .chatbot-toggle {
    background: transparent;
}

.chatbot.is-open .chatbot-robot {
    animation-duration: 1.4s;
}

.chatbot-header {
    padding: 14px 16px;
    background: #f0faf4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--chatbot-text);
    border-bottom: 1px solid #e6efe9;
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.chatbot-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #2cbf6f;
    box-shadow: 0 0 0 4px rgba(44, 191, 111, 0.2);
}

.chatbot-close {
    border: none;
    background: transparent;
    color: var(--chatbot-muted);
    font-size: 16px;
}

.chatbot-messages {
    padding: 14px 16px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #fcfdfc;
}

.chatbot-message {
    max-width: 80%;
    padding: 10px 12px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.4;
    word-break: break-word;
}

.chatbot-message.user {
    align-self: flex-end;
    background: var(--chatbot-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chatbot-message.bot {
    align-self: flex-start;
    background: #eef6f0;
    color: var(--chatbot-text);
    border-bottom-left-radius: 4px;
}

.chatbot-input {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-top: 1px solid #e6efe9;
    background: #ffffff;
}

.chatbot-input input {
    flex: 1;
    border: 1px solid #dce6df;
    border-radius: 999px;
    padding: 10px 14px;
    font-size: 14px;
    outline: none;
}

.chatbot-input input:focus {
    border-color: var(--chatbot-primary);
    box-shadow: 0 0 0 2px rgba(31, 138, 76, 0.15);
}

.chatbot-input button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: var(--chatbot-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 576px) {
    .chatbot {
        right: 16px;
        bottom: 16px;
    }

    .chatbot-panel {
        width: 90vw;
        max-height: 70vh;
    }
}

@keyframes robot-bob {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-2px);
    }
}

@keyframes robot-wave {
    0%,
    40%,
    100% {
        transform: rotate(0deg);
    }

    20% {
        transform: rotate(-20deg);
    }

    30% {
        transform: rotate(-8deg);
    }
}

@keyframes robot-blink {
    0%,
    44%,
    48%,
    100% {
        transform: scaleY(1);
    }

    46% {
        transform: scaleY(0.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .chatbot-robot,
    .robot-arm-right,
    .robot-eye {
        animation: none;
    }
}