:root {
    --primary-color: #FF5E3A; /* Vibrant Orange/Red */
    --secondary-color: #2A2A2A;
    --bg-dark: #0f0f13;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-green: #00E676;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 94, 58, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 230, 118, 0.05) 0%, transparent 40%);
}

.app-container {
    width: 100%;
    max-width: 600px;
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

@media (min-width: 768px) {
    .app-container {
        height: 90vh;
        border-radius: 24px;
        border: 1px solid var(--glass-border);
    }
}

/* Header */
.app-header {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.status-indicator {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.dot.online {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

/* Chat Area */
.chat-interface {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

.welcome-message {
    text-align: center;
    margin-top: 40px;
    color: var(--text-secondary);
}

.welcome-message h1 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-family: 'Noto Sans Ol Chiki', 'Outfit', sans-serif;
}

/* Messages */
.message {
    max-width: 85%;
    padding: 15px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--primary-color), #FF8C6B);
    color: white;
    border-bottom-right-radius: 5px;
}

.message.ai {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 5px;
}

.translation {
    display: block;
    margin-top: 8px;
    font-size: 0.8em;
    opacity: 0.7;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 8px;
}

/* Audio Player in Chat */
.audio-control {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0,0,0,0.2);
    padding: 8px 12px;
    border-radius: 30px;
    cursor: pointer;
}

/* Controls Footer */
.input-area {
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.mic-button {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 94, 58, 0.4);
    z-index: 10;
}

.mic-button:hover {
    transform: scale(1.05);
}

.mic-button.recording {
    background: #ff3a3a;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 58, 58, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 20px rgba(255, 58, 58, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 58, 58, 0); }
}

.status-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* Visualizer (Simple CSS Bars) */
.visualizer {
    display: flex;
    gap: 4px;
    height: 30px;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.visualizer.active {
    opacity: 1;
}

.bar {
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: sound 0s infinite alternate;
}

.visualizer.active .bar {
    animation-duration: 0.5s;
}

.visualizer.active .bar:nth-child(even) { animation-duration: 0.4s; }
.visualizer.active .bar:nth-child(odd) { animation-duration: 0.6s; }

@keyframes sound {
    0% { height: 5px; opacity: 0.5; }
    100% { height: 25px; opacity: 1; }
}