:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-gradient);
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
    color: var(--text-main);
}

.chat-container {
    width: 100%;
    height: 100vh;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: none;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.8s ease-out;
    position: relative;
    /* Adicionado para o overlay */
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.header-info h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.chat-messages {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.message {
    max-width: 80%;
    padding: 16px 20px;
    border-radius: 18px;
    line-height: 1.5;
    font-size: 15px;
    position: relative;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.bot {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 4px;
}

.message.user {
    align-self: flex-end;
    background: var(--primary);
    border-bottom-right-radius: 4px;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
}

.chat-input-area {
    padding: 24px 32px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom-left-radius: 24px;
    border-bottom-right-radius: 24px;
}

.input-wrapper {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

input[type="text"] {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    padding: 12px 0;
    font-size: 15px;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.action-btn:hover {
    color: var(--text-main);
}

.send-btn {
    background: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    transition: transform 0.2s, background 0.2s;
}

.send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

#micBtn.recording {
    color: #ef4444;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.file-preview {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 12px;
    margin-bottom: 12px;
}

.typing-indicator {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 14px;
    width: fit-content;
    margin-bottom: 16px;
}

.dot {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

#authOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0f172a;
    /* Fundo sólido para esconder o chat */
    z-index: 100;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}