:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.app-container {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 400px;
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

header {
    margin-bottom: 40px;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background-color: white;
    color: #1e293b;
}

.btn-primary:hover {
    background-color: #f1f5f9;
    transform: translateY(-2px);
}

.google-icon {
    width: 20px;
    height: 20px;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    text-decoration: underline;
}

/* Auth Section */
.user-info {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Recording Section */
.mic-container {
    position: relative;
    margin: 30px 0;
}

.mic-button {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.mic-button.recording {
    background: var(--danger-color);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
    animation: pulse 1.5s infinite;
}

.mic-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.2);
    z-index: 1;
    display: none;
}

.mic-button.recording + .status-text {
    color: var(--danger-color);
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.status-text {
    margin-top: 20px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Processing */
.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}