:root {
    --clara-bg: #f3f5f7;
    --clara-ink: #24384f;
    --clara-muted: #738296;
    --clara-line: #dce2ea;
    --clara-send: #d4deea;
}

.clara-chat-app {
    max-width: 1570px;
    margin: 10px auto;
    font-family: Manrope, 'Segoe UI', Tahoma, sans-serif;
}

.clara-card {
    border: 1px solid var(--clara-line);
    border-radius: 14px;
    background: var(--clara-bg);
    box-shadow: 0 4px 14px rgba(34, 56, 84, 0.06);
}

.clara-chat-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    margin-bottom: 18px;
}

.clara-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #c88d79;
    color: #fff;
    font-weight: 700;
    display: grid;
    place-items: center;
    font-size: 18px;
    flex-shrink: 0;
    overflow: hidden;
}

.clara-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.clara-topbar-meta h2 {
    margin: 0;
    font-size: clamp(22px, 1.9vw, 25px);
    line-height: 1;
    letter-spacing: -0.01em;
    color: var(--clara-ink);
}

.clara-topbar-meta p {
    margin: 7px 0 0;
    color: var(--clara-muted);
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 500;
}

.clara-clear-btn {
    margin-left: auto;
    background: #f7f9fc;
    border: 1px solid var(--clara-line);
    border-radius: 10px;
    color: #627386;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    cursor: pointer;
    font-size: clamp(12px, 0.95vw, 21px);
}

.clara-chat-shell {
    min-height: 652px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.clara-composer {
    border-top: 1px solid var(--clara-line);
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 7px;
    margin-top: auto;
}

.clara-composer input {
    flex: 1;
    border: 1px solid var(--clara-line);
    border-radius: 999px;
    padding: 11px 17px;
    font-size: clamp(14px, 1.1vw, 18px);
    color: #4b5e76;
    background: #ffffff;
}

.clara-send-btn {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 999px;
    border: none;
    color: #f5f8fc;
    background: #c9d5e3;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.clara-send-btn .clara-send-icon,
.clara-clear-btn .dashicons {
    width: 20px;
    height: 20px;
}

.clara-send-btn .clara-send-icon {
    fill: currentColor;
    transform: rotate(-14deg) translateX(1px);
}

.clara-send-btn:hover {
    background: #b9c9db;
}

.clara-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.clara-message {
    margin: 0 0 10px;
    max-width: 78%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--clara-line);
    line-height: 1.45;
    font-size: 14px;
    white-space: pre-wrap;
}

.clara-message-user {
    margin-left: auto;
    background: #eef5ff;
}

.clara-message-assistant {
    margin-right: auto;
    background: #ffffff;
}

.clara-message.pending {
    opacity: 0.68;
}

.clara-chat-stage {
    padding: 22px;
    min-height: 540px;
    overflow-y: auto;
}

.clara-welcome-card {
    min-height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
}

.clara-welcome-card h3 {
    margin: 0;
    color: #1e3551;
    font-size: clamp(32px, 2.4vw, 25px);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.clara-welcome-card p {
    margin: 0;
    color: #6f7f93;
    font-size: clamp(18px, 1.45vw, 18px);
    line-height: 1.35;
    max-width: 980px;
}

@media (max-width: 980px) {
    .clara-chat-app {
        margin: 8px;
    }

    .clara-chat-topbar {
        padding: 12px;
        margin-bottom: 10px;
    }

    .clara-clear-btn {
        padding: 8px 10px;
    }

    .clara-chat-shell {
        min-height: 76vh;
    }

    .clara-chat-stage {
        min-height: 52vh;
        padding: 14px;
    }

    .clara-welcome-card {
        min-height: 42vh;
        gap: 12px;
    }

    .clara-composer {
        padding: 10px;
    }

    .clara-send-btn {
        width: 40px;
        height: 40px;
    }
}