/* PIN Lock Screen Styles */
.pin-overlay {
    position: fixed;
    inset: 0;
    background: #0a0a0f;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.pin-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.pin-overlay .bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(168, 85, 247, 0.02) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.pin-container {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.pin-logo {
    width: 200px;
    max-width: 60%;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 30px rgba(0, 255, 136, 0.2));
}

.pin-title {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.pin-subtitle {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 0.95rem;
    color: #9ca3af;
    margin-bottom: 2.5rem;
}

.pin-input-group {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.pin-digit {
    width: 60px;
    height: 72px;
    background: #12121a;
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    font-family: 'Space Grotesk', monospace;
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    outline: none;
    transition: all 0.2s ease;
    caret-color: #00ff88;
}

.pin-digit:focus {
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.15);
}

.pin-digit.error {
    border-color: #ef4444;
    animation: shake 0.5s ease;
}

.pin-digit.success {
    border-color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}

.pin-error-message {
    color: #ef4444;
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    min-height: 1.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.pin-error-message.visible {
    opacity: 1;
}

.pin-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    max-width: 280px;
    margin: 0 auto;
}

.pin-key {
    width: 80px;
    height: 64px;
    background: #12121a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-key:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #00ff88;
}

.pin-key:active {
    transform: scale(0.95);
    background: rgba(0, 255, 136, 0.1);
}

.pin-key.delete {
    font-size: 1.25rem;
}

.pin-key.empty {
    visibility: hidden;
}

/* Mobile responsive */
@media (max-width: 400px) {
    .pin-digit {
        width: 50px;
        height: 60px;
        font-size: 1.5rem;
    }

    .pin-key {
        width: 65px;
        height: 55px;
        font-size: 1.3rem;
    }

    .pin-keypad {
        max-width: 230px;
    }
}