/* AR-BETA-035: Premium Cinematic Glassmorphic Beta Lock Screen */
#beta-lock-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, #1e293b 0%, #0f1520 100%);
    z-index: 99999; /* Highest possible */
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#beta-lock-screen.unlocked {
    opacity: 0;
    pointer-events: none;
}

.beta-lock-box {
    width: 400px;
    padding: 48px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.05);
    text-align: center;
    color: #fff;
    font-family: var(--font-brand, 'Inter', sans-serif);
    transform: translateY(0);
    transition: transform 0.8s ease-out;
}

#beta-lock-screen.unlocked .beta-lock-box {
    transform: translateY(-20px);
}

.beta-lock-title {
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 6px;
    margin-bottom: 8px;
    text-transform: uppercase;
    color: var(--accent, #60a5fa);
    text-shadow: 0 0 20px rgba(96, 165, 250, 0.4);
}

.beta-lock-subtitle {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 40px;
}

.beta-pwd-input {
    width: 100%;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 30px; /* Pill-shaped constraint */
    color: #fff;
    font-size: 15px;
    text-align: center;
    outline: none;
    transition: all 0.3s ease;
    margin-bottom: 24px;
    box-sizing: border-box;
    letter-spacing: 2px;
}

.beta-pwd-input:focus {
    border-color: var(--accent, #60a5fa);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    background: rgba(0, 0, 0, 0.5);
}

.beta-submit-btn {
    width: 100%;
    border-radius: 30px; /* Pill-shaped constraint */
    padding: 14px;
    background: var(--accent, #60a5fa);
    color: #0f1520;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.beta-submit-btn:hover {
    background: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}