:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.background-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background-color: rgba(59, 130, 246, 0.4);
    animation: float 10s ease-in-out infinite alternate;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background-color: rgba(139, 92, 246, 0.4);
    animation: float 12s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

.container {
    width: 90%;
    max-width: 800px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    border-radius: 24px;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
}

kbd {
    background: rgba(255,255,255,0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.2);
    font-family: monospace;
    font-size: 0.9em;
}

.settings {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
}

.input-group {
    width: 100%;
    max-width: 400px;
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--accent);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.primary-btn {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.primary-btn:active {
    transform: translateY(0);
}

.danger-btn {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

.danger-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    transition: background-color 0.3s;
}

.status-indicator.active .dot {
    background-color: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.status-indicator.recording .dot {
    background-color: var(--danger);
    box-shadow: 0 0 10px var(--danger);
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    from { opacity: 0.5; }
    to { opacity: 1; }
}

.feed {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-right: 1rem;
}

.feed::-webkit-scrollbar {
    width: 6px;
}

.feed::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
    border-radius: 10px;
}

.feed::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
}

.message {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.msg-header {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.question .msg-content {
    background: rgba(59, 130, 246, 0.15);
    border-left: 4px solid var(--accent);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

.answer .msg-content {
    background: rgba(16, 185, 129, 0.15);
    border-left: 4px solid var(--success);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
    white-space: pre-wrap;
}

.processing .msg-content {
    color: var(--text-secondary);
    font-style: italic;
}