/* Lead Bird floating site assistant */

.lb-assistant {
    --lb-asst-z: 140;
    --lb-asst-radius: 1.15rem;
    --lb-asst-shadow: 0 16px 48px rgb(0 56 255 / 0.18);
    --lb-asst-bg: #E9EAED;
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: var(--lb-asst-z);
    font-family: var(--brand-font-body);
}

@media (min-width: 640px) {
    .lb-assistant {
        right: 1.35rem;
        bottom: 1.35rem;
    }
}

body.lb-assistant-open {
    overflow: hidden;
}

@media (min-width: 640px) {
    body.lb-assistant-open {
        overflow: auto;
    }
}

/* Launcher */
.lb-assistant-launcher {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.lb-assistant-launcher:hover {
    transform: scale(1.04);
}

.lb-assistant-launcher.is-open {
    transform: scale(0.92);
    opacity: 0;
    pointer-events: none;
}

.lb-assistant-launcher-ring {
    position: absolute;
    top: 0.15rem;
    left: 50%;
    width: 4.25rem;
    height: 4.25rem;
    margin-left: -2.125rem;
    border-radius: 999px;
    border: 2px solid rgb(204 255 0 / 0.55);
    animation: lb-asst-ring 2.4s ease-out infinite;
}

.lb-assistant-launcher-bounce {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4.25rem;
    height: 4.25rem;
    border-radius: 999px;
    background: var(--brand-white);
    border: 2px solid var(--brand-black);
    box-shadow: var(--lb-asst-shadow);
    animation: lb-asst-bounce 2.2s ease-in-out infinite;
}

.lb-assistant-launcher-bounce img {
    width: 2.1rem;
    height: 2.1rem;
    object-fit: contain;
}

.lb-assistant-launcher-label {
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: var(--brand-lime);
    color: var(--brand-black);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 12px rgb(204 255 0 / 0.35);
}

.lb-assistant-launcher--attention .lb-assistant-launcher-bounce {
    animation: lb-asst-bounce 1.1s ease-in-out infinite, lb-asst-wiggle 0.55s ease-in-out 0.2s 3;
}

.lb-assistant-launcher--shake .lb-assistant-launcher-bounce {
    animation: lb-asst-shake 0.85s ease-in-out;
}

@keyframes lb-asst-bounce {
    0%, 100% { transform: translateY(0); }
    40% { transform: translateY(-8px); }
    60% { transform: translateY(-4px); }
}

@keyframes lb-asst-shake {
    0%, 100% { transform: translateX(0) rotate(0); }
    20% { transform: translateX(-4px) rotate(-4deg); }
    40% { transform: translateX(4px) rotate(4deg); }
    60% { transform: translateX(-3px) rotate(-3deg); }
    80% { transform: translateX(3px) rotate(2deg); }
}

@keyframes lb-asst-wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-6deg); }
    75% { transform: rotate(6deg); }
}

@keyframes lb-asst-ring {
    0% {
        transform: scale(0.85);
        opacity: 0.85;
    }
    100% {
        transform: scale(1.35);
        opacity: 0;
    }
}

/* Panel */
.lb-assistant-panel {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: calc(var(--lb-asst-z) + 1);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-height: min(88vh, 40rem);
    border-radius: var(--lb-asst-radius) var(--lb-asst-radius) 0 0;
    background: var(--lb-asst-bg);
    box-shadow: 0 -8px 40px rgb(0 56 255 / 0.15);
    overflow: hidden;
    transform: translateY(0);
    animation: lb-asst-slide-up 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 639px) {
    .lb-assistant-panel:not(.is-hidden) {
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 100%;
        height: 100dvh;
        max-height: none;
        border-radius: 0;
        box-shadow: none;
    }
}

.lb-assistant-panel.is-hidden {
    display: none;
}

@media (min-width: 640px) {
    .lb-assistant-panel {
        position: absolute;
        right: 0;
        bottom: 5.25rem;
        left: auto;
        width: min(100vw - 2rem, 24rem);
        max-height: min(70vh, 34rem);
        border-radius: var(--lb-asst-radius);
        box-shadow: var(--lb-asst-shadow);
    }
}

@keyframes lb-asst-slide-up {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lb-assistant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 0.9rem;
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
    color: var(--brand-white);
}

@media (max-width: 639px) {
    .lb-assistant-header {
        flex-shrink: 0;
        padding-top: max(0.85rem, env(safe-area-inset-top, 0px));
    }
}

.lb-assistant-header-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.lb-assistant-header-icon {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.75rem;
    background: rgb(255 255 255 / 0.14);
    border: 1px solid rgb(255 255 255 / 0.2);
}

.lb-assistant-header-icon img {
    width: 1.75rem;
    height: 1.75rem;
    object-fit: contain;
}

.lb-assistant-title {
    margin: 0;
    font-size: 1rem;
    line-height: 1.1;
}

.lb-assistant-subtitle {
    margin: 0.15rem 0 0;
    font-size: 0.6875rem;
    font-weight: 600;
    color: rgb(255 255 255 / 0.78);
}

.lb-assistant-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid rgb(255 255 255 / 0.25);
    border-radius: 999px;
    background: rgb(255 255 255 / 0.1);
    color: var(--brand-white);
    cursor: pointer;
    transition: background 0.18s ease;
}

.lb-assistant-close:hover {
    background: rgb(255 255 255 / 0.2);
}

/* Messages */
.lb-assistant-messages {
    flex: 1;
    min-height: 12rem;
    max-height: 22rem;
    padding: 0.85rem;
    overflow-y: auto;
    background:
        radial-gradient(circle at top left, rgb(204 255 0 / 0.07) 0%, transparent 45%),
        var(--lb-asst-bg);
}

@media (max-width: 639px) {
    .lb-assistant-messages {
        min-height: 0;
        max-height: none;
    }
}

@media (min-width: 640px) {
    .lb-assistant-messages {
        max-height: 18rem;
    }
}

.lb-assistant-msg {
    display: flex;
    align-items: flex-end;
    gap: 0.45rem;
    margin-bottom: 0.65rem;
}

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

.lb-assistant-msg-avatar {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.55rem;
    background: var(--brand-white);
    border: 1px solid rgb(0 56 255 / 0.1);
    box-shadow: 0 2px 8px rgb(0 56 255 / 0.06);
}

.lb-assistant-msg-avatar img {
    width: 1.25rem;
    height: 1.25rem;
    object-fit: contain;
}

.lb-assistant-msg-bubble {
    max-width: min(100%, 16.5rem);
    padding: 0.65rem 0.8rem;
    border-radius: 1rem 1rem 1rem 0.35rem;
    background: var(--brand-white);
    border: 1px solid rgb(0 56 255 / 0.1);
    box-shadow: 0 4px 14px rgb(0 56 255 / 0.06);
}

.lb-assistant-msg--user .lb-assistant-msg-bubble {
    border-radius: 1rem 1rem 0.35rem 1rem;
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    color: var(--brand-white);
}

.lb-assistant-msg-bubble p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
}

.lb-assistant-msg--bot .lb-assistant-msg-bubble p {
    color: rgb(17 24 39 / 0.92);
}

.lb-assistant-typing {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0;
}

.lb-assistant-typing span {
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 999px;
    background: var(--brand-blue);
    opacity: 0.45;
    animation: lb-asst-dot 1.1s ease-in-out infinite;
}

.lb-assistant-typing span:nth-child(2) {
    animation-delay: 0.15s;
}

.lb-assistant-typing span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes lb-asst-dot {
    0%, 100% { transform: translateY(0); opacity: 0.35; }
    50% { transform: translateY(-3px); opacity: 1; }
}

/* Suggestions */
.lb-assistant-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0 0.75rem 0.65rem;
    background: var(--lb-asst-bg);
    flex-shrink: 0;
}

.lb-assistant-suggestions.is-hidden {
    display: none;
}

.lb-assistant-chip {
    padding: 0.35rem 0.65rem;
    border: 1px solid rgb(0 56 255 / 0.14);
    border-radius: 999px;
    background: var(--brand-surface);
    color: var(--brand-blue);
    font-size: 0.6875rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease;
}

.lb-assistant-chip:hover {
    background: rgb(204 255 0 / 0.2);
    transform: translateY(-1px);
}

/* Compose */
.lb-assistant-compose {
    padding: 0.65rem 0.75rem 0.85rem;
    border-top: 1px solid rgb(0 56 255 / 0.08);
    background: var(--lb-asst-bg);
    flex-shrink: 0;
}

@media (max-width: 639px) {
    .lb-assistant-compose {
        padding-bottom: max(0.85rem, env(safe-area-inset-bottom, 0px));
    }
}

.lb-assistant-compose-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.lb-assistant-compose-row {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.lb-assistant-input {
    flex: 1;
    min-width: 0;
    padding: 0.6rem 0.85rem;
    border: 1px solid rgb(0 56 255 / 0.14);
    border-radius: 999px;
    font: inherit;
    font-size: 0.8125rem;
    background: var(--brand-surface);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.lb-assistant-input:focus {
    outline: none;
    border-color: rgb(0 56 255 / 0.35);
    box-shadow: 0 0 0 3px rgb(0 56 255 / 0.1);
    background: var(--brand-white);
}

.lb-assistant-send {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 999px;
    background: var(--brand-lime);
    color: var(--brand-black);
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease;
}

.lb-assistant-send:hover:not(:disabled) {
    background: var(--brand-lime-hover);
    transform: translateY(-1px);
}

.lb-assistant-send:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
    .lb-assistant-launcher-bounce,
    .lb-assistant-launcher-ring,
    .lb-assistant-launcher--attention .lb-assistant-launcher-bounce,
    .lb-assistant-panel,
    .lb-assistant-typing span {
        animation: none !important;
    }

    .lb-assistant-launcher:hover,
    .lb-assistant-chip:hover,
    .lb-assistant-send:hover:not(:disabled) {
        transform: none;
    }
}